Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/tesseract/src/wordrec/wordrec.h @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
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1 ///////////////////////////////////////////////////////////////////////
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2 // File: wordrec.h
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3 // Description: wordrec class.
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4 // Author: Samuel Charron
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5 //
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6 // (C) Copyright 2006, Google Inc.
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7 // Licensed under the Apache License, Version 2.0 (the "License");
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8 // you may not use this file except in compliance with the License.
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9 // You may obtain a copy of the License at
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10 // http://www.apache.org/licenses/LICENSE-2.0
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11 // Unless required by applicable law or agreed to in writing, software
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12 // distributed under the License is distributed on an "AS IS" BASIS,
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13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 // See the License for the specific language governing permissions and
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15 // limitations under the License.
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16 //
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17 ///////////////////////////////////////////////////////////////////////
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19 #ifndef TESSERACT_WORDREC_WORDREC_H_
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20 #define TESSERACT_WORDREC_WORDREC_H_
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22 #ifdef HAVE_CONFIG_H
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23 # include "config_auto.h" // DISABLED_LEGACY_ENGINE
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24 #endif
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26 #ifdef DISABLED_LEGACY_ENGINE
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28 # include <cstdint> // for int16_t, int32_t
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29 # include "classify.h" // for Classify
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30 # include "params.h" // for INT_VAR_H, IntParam, BOOL_VAR_H, BoolP...
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31 # include "ratngs.h" // for WERD_CHOICE
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33 namespace tesseract {
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34 class TessdataManager;
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35 }
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37 namespace tesseract {
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39 /* ccmain/tstruct.cpp */
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41 class TESS_API Wordrec : public Classify {
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42 public:
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43 // config parameters
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45 BOOL_VAR_H(wordrec_debug_blamer);
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46 BOOL_VAR_H(wordrec_run_blamer);
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48 // methods
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49 Wordrec();
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50 virtual ~Wordrec() = default;
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52 // tface.cpp
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53 void program_editup(const std::string &textbase, TessdataManager *init_classifier,
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54 TessdataManager *init_dict);
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55 void program_editdown(int32_t elapsed_time);
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56 int end_recog();
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57 int dict_word(const WERD_CHOICE &word);
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59 // Member variables
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60 WERD_CHOICE *prev_word_best_choice_;
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61 };
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63 } // namespace tesseract
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65 #else // DISABLED_LEGACY_ENGINE not defined
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67 # include <memory>
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68 # include "associate.h"
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69 # include "chop.h" // for PointHeap, MAX_NUM_POINTS
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70 # include "classify.h" // for Classify
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71 # include "dict.h"
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72 # include "elst.h" // for ELIST_ITERATOR, ELISTIZEH, ELIST_LINK
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73 # include "findseam.h" // for SeamQueue, SeamPile
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74 # include "language_model.h"
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75 # include "matrix.h"
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76 # include "oldlist.h" // for LIST
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77 # include "params.h" // for INT_VAR_H, IntParam, BOOL_VAR_H, BoolP...
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78 # include "points.h" // for ICOORD
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79 # include "ratngs.h" // for BLOB_CHOICE_LIST (ptr only), BLOB_CHOI...
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80 # include "seam.h" // for SEAM (ptr only), PRIORITY
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81 # include "stopper.h" // for DANGERR
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83 # include <cstdint> // for int16_t, int32_t
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85 namespace tesseract {
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86
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87 class EDGEPT_CLIST;
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88 class MATRIX;
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89 class TBOX;
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90 class UNICHARSET;
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91 class WERD_RES;
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93 class LMPainPoints;
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94 class TessdataManager;
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95 struct BestChoiceBundle;
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96
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97 struct BlamerBundle;
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98 struct EDGEPT;
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99 struct MATRIX_COORD;
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100 struct SPLIT;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
101 struct TBLOB;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
102 struct TESSLINE;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
103 struct TWERD;
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parents:
diff changeset
104
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parents:
diff changeset
105 // A class for storing which nodes are to be processed by the segmentation
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
106 // search. There is a single SegSearchPending for each column in the ratings
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
107 // matrix, and it indicates whether the segsearch should combine all
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
108 // BLOB_CHOICES in the column, or just the given row with the parents
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
109 // corresponding to *this SegSearchPending, and whether only updated parent
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
110 // ViterbiStateEntries should be combined, or all, with the BLOB_CHOICEs.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
111 class SegSearchPending {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
112 public:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
113 SegSearchPending()
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
114 : classified_row_(-1), revisit_whole_column_(false), column_classified_(false) {}
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parents:
diff changeset
115
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parents:
diff changeset
116 // Marks the whole column as just classified. Used to start a search on
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
117 // a newly initialized ratings matrix.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
118 void SetColumnClassified() {
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parents:
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119 column_classified_ = true;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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120 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
121 // Marks the matrix entry at the given row as just classified.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
122 // Used after classifying a new matrix cell.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
123 // Additional to, not overriding a previous RevisitWholeColumn.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
124 void SetBlobClassified(int row) {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
125 classified_row_ = row;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
126 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
127 // Marks the whole column as needing work, but not just classified.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
128 // Used when the parent vse list is updated.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
129 // Additional to, not overriding a previous SetBlobClassified.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
130 void RevisitWholeColumn() {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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131 revisit_whole_column_ = true;
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parents:
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132 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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133
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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134 // Clears *this to indicate no work to do.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
135 void Clear() {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
136 classified_row_ = -1;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
137 revisit_whole_column_ = false;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
138 column_classified_ = false;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
139 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
140
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
141 // Returns true if there are updates to do in the column that *this
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
142 // represents.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143 bool WorkToDo() const {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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144 return revisit_whole_column_ || column_classified_ || classified_row_ >= 0;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
145 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
146 // Returns true if the given row was just classified.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
147 bool IsRowJustClassified(int row) const {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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148 return row == classified_row_ || column_classified_;
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parents:
diff changeset
149 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
150 // Returns the single row to process if there is only one, otherwise -1.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
151 int SingleRow() const {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
152 return revisit_whole_column_ || column_classified_ ? -1 : classified_row_;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
153 }
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parents:
diff changeset
154
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parents:
diff changeset
155 private:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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156 // If non-negative, indicates the single row in the ratings matrix that has
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
157 // just been classified, and so should be combined with all the parents in the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
158 // column that this SegSearchPending represents.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
159 // Operates independently of revisit_whole_column.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
160 int classified_row_;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
161 // If revisit_whole_column is true, then all BLOB_CHOICEs in this column will
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
162 // be processed, but classified_row can indicate a row that is newly
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
163 // classified. Overridden if column_classified is true.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
164 bool revisit_whole_column_;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
165 // If column_classified is true, parent vses are processed with all rows
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
166 // regardless of whether they are just updated, overriding
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
167 // revisit_whole_column and classified_row.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
168 bool column_classified_;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
169 };
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parents:
diff changeset
170
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
171 /* ccmain/tstruct.cpp *********************************************************/
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
172 class FRAGMENT : public ELIST_LINK {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
173 public:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
174 FRAGMENT() { // constructor
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
175 }
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parents:
diff changeset
176 FRAGMENT(EDGEPT *head_pt, // start
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
177 EDGEPT *tail_pt); // end
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diff changeset
178
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
179 ICOORD head; // coords of start
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
180 ICOORD tail; // coords of end
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
181 EDGEPT *headpt; // start point
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
182 EDGEPT *tailpt; // end point
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
183 };
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
184 ELISTIZEH(FRAGMENT)
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parents:
diff changeset
185
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
186 class TESS_API Wordrec : public Classify {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
187 public:
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
188 // config parameters *******************************************************
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
189 BOOL_VAR_H(merge_fragments_in_matrix);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
190 BOOL_VAR_H(wordrec_enable_assoc);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
191 BOOL_VAR_H(force_word_assoc);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
192 INT_VAR_H(repair_unchopped_blobs);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
193 double_VAR_H(tessedit_certainty_threshold);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
194 INT_VAR_H(chop_debug);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
195 BOOL_VAR_H(chop_enable);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
196 BOOL_VAR_H(chop_vertical_creep);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
197 INT_VAR_H(chop_split_length);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
198 INT_VAR_H(chop_same_distance);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
199 INT_VAR_H(chop_min_outline_points);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
200 INT_VAR_H(chop_seam_pile_size);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
201 BOOL_VAR_H(chop_new_seam_pile);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
202 INT_VAR_H(chop_inside_angle);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
203 INT_VAR_H(chop_min_outline_area);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
204 double_VAR_H(chop_split_dist_knob);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
205 double_VAR_H(chop_overlap_knob);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
206 double_VAR_H(chop_center_knob);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
207 INT_VAR_H(chop_centered_maxwidth);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
208 double_VAR_H(chop_sharpness_knob);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
209 double_VAR_H(chop_width_change_knob);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
210 double_VAR_H(chop_ok_split);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
211 double_VAR_H(chop_good_split);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
212 INT_VAR_H(chop_x_y_weight);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
213 BOOL_VAR_H(assume_fixed_pitch_char_segment);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
214 INT_VAR_H(wordrec_debug_level);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
215 INT_VAR_H(wordrec_max_join_chunks);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
216 BOOL_VAR_H(wordrec_skip_no_truth_words);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
217 BOOL_VAR_H(wordrec_debug_blamer);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
218 BOOL_VAR_H(wordrec_run_blamer);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
219 INT_VAR_H(segsearch_debug_level);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
220 INT_VAR_H(segsearch_max_pain_points);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
221 INT_VAR_H(segsearch_max_futile_classifications);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
222 double_VAR_H(segsearch_max_char_wh_ratio);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
223 BOOL_VAR_H(save_alt_choices);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
224
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
225 // methods from wordrec/*.cpp ***********************************************
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
226 Wordrec();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
227 ~Wordrec() override = default;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
228
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
229 // Fills word->alt_choices with alternative paths found during
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
230 // chopping/segmentation search that are kept in best_choices.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
231 void SaveAltChoices(const LIST &best_choices, WERD_RES *word);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
232
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
233 // Fills character choice lattice in the given BlamerBundle
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
234 // using the given ratings matrix and best choice list.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
235 void FillLattice(const MATRIX &ratings, const WERD_CHOICE_LIST &best_choices,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
236 const UNICHARSET &unicharset, BlamerBundle *blamer_bundle);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
237
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
238 // Calls fill_lattice_ member function
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
239 // (assumes that fill_lattice_ is not nullptr).
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
240 void CallFillLattice(const MATRIX &ratings, const WERD_CHOICE_LIST &best_choices,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
241 const UNICHARSET &unicharset, BlamerBundle *blamer_bundle) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
242 (this->*fill_lattice_)(ratings, best_choices, unicharset, blamer_bundle);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
243 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
244
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
245 // tface.cpp
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
246 void program_editup(const std::string &textbase, TessdataManager *init_classifier,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
247 TessdataManager *init_dict);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
248 void cc_recog(WERD_RES *word);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
249 void program_editdown(int32_t elapsed_time);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
250 void set_pass1();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
251 void set_pass2();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
252 int end_recog();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
253 BLOB_CHOICE_LIST *call_matcher(TBLOB *blob);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
254 int dict_word(const WERD_CHOICE &word);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
255 // wordclass.cpp
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
256 BLOB_CHOICE_LIST *classify_blob(TBLOB *blob, const char *string, ScrollView::Color color,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
257 BlamerBundle *blamer_bundle);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
258
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
259 // segsearch.cpp
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
260 // SegSearch works on the lower diagonal matrix of BLOB_CHOICE_LISTs.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
261 // Each entry in the matrix represents the classification choice
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
262 // for a chunk, i.e. an entry in row 2, column 1 represents the list
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
263 // of ratings for the chunks 1 and 2 classified as a single blob.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
264 // The entries on the diagonal of the matrix are classifier choice lists
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
265 // for a single chunk from the maximal segmentation.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
266 //
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
267 // The ratings matrix given to SegSearch represents the segmentation
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
268 // graph / trellis for the current word. The nodes in the graph are the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
269 // individual BLOB_CHOICEs in each of the BLOB_CHOICE_LISTs in the ratings
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
270 // matrix. The children of each node (nodes connected by outgoing links)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
271 // are the entries in the column that is equal to node's row+1. The parents
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
272 // (nodes connected by the incoming links) are the entries in the row that
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
273 // is equal to the node's column-1. Here is an example ratings matrix:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
274 //
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
275 // 0 1 2 3 4
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
276 // -------------------------
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
277 // 0| c,( |
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
278 // 1| d l,1 |
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
279 // 2| o |
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
280 // 3| c,( |
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
281 // 4| g,y l,1 |
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
282 // -------------------------
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
283 //
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
284 // In the example above node "o" has children (outgoing connection to nodes)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
285 // "c","(","g","y" and parents (incoming connections from nodes) "l","1","d".
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
286 //
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
287 // The objective of the search is to find the least cost path, where the cost
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
288 // is determined by the language model components and the properties of the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
289 // cut between the blobs on the path. SegSearch starts by populating the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
290 // matrix with the all the entries that were classified by the chopper and
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
291 // finding the initial best path. Based on the classifier ratings, language
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
292 // model scores and the properties of each cut, a list of "pain points" is
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
293 // constructed - those are the points on the path where the choices do not
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
294 // look consistent with the neighboring choices, the cuts look particularly
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
295 // problematic, or the certainties of the blobs are low. The most troublesome
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
296 // "pain point" is picked from the list and the new entry in the ratings
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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297 // matrix corresponding to this "pain point" is filled in. Then the language
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298 // model state is updated to reflect the new classification and the new
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parents:
diff changeset
299 // "pain points" are added to the list and the next most troublesome
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300 // "pain point" is determined. This continues until either the word choice
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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301 // composed from the best paths in the segmentation graph is "good enough"
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diff changeset
302 // (e.g. above a certain certainty threshold, is an unambiguous dictionary
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parents:
diff changeset
303 // word, etc) or there are no more "pain points" to explore.
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304 //
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305 // If associate_blobs is set to false no new classifications will be done
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parents:
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306 // to combine blobs. Segmentation search will run only one "iteration"
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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diff changeset
307 // on the classifications already recorded in chunks_record.ratings.
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308 //
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309 // Note: this function assumes that word_res, best_choice_bundle arguments
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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310 // are not nullptr.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
311 void SegSearch(WERD_RES *word_res, BestChoiceBundle *best_choice_bundle,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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312 BlamerBundle *blamer_bundle);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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313
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314 // Setup and run just the initial segsearch on an established matrix,
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parents:
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315 // without doing any additional chopping or joining.
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parents:
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316 // (Internal factored version that can be used as part of the main SegSearch.)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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317 void InitialSegSearch(WERD_RES *word_res, LMPainPoints *pain_points,
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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318 std::vector<SegSearchPending> *pending,
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parents:
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319 BestChoiceBundle *best_choice_bundle, BlamerBundle *blamer_bundle);
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parents:
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320
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parents:
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321 // chop.cpp
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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322 PRIORITY point_priority(EDGEPT *point);
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parents:
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323 void add_point_to_list(PointHeap *point_heap, EDGEPT *point);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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324 // Returns true if the edgept supplied as input is an inside angle. This
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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325 // is determined by the angular change of the vectors from point to point.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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326 bool is_inside_angle(EDGEPT *pt);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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327 int angle_change(EDGEPT *point1, EDGEPT *point2, EDGEPT *point3);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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328 EDGEPT *pick_close_point(EDGEPT *critical_point, EDGEPT *vertical_point, int *best_dist);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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329 void prioritize_points(TESSLINE *outline, PointHeap *points);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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330 void new_min_point(EDGEPT *local_min, PointHeap *points);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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331 void new_max_point(EDGEPT *local_max, PointHeap *points);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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332 void vertical_projection_point(EDGEPT *split_point, EDGEPT *target_point, EDGEPT **best_point,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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333 EDGEPT_CLIST *new_points);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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334
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parents:
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335 // chopper.cpp
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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336 SEAM *attempt_blob_chop(TWERD *word, TBLOB *blob, int32_t blob_number, bool italic_blob,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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337 const std::vector<SEAM *> &seams);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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338 SEAM *chop_numbered_blob(TWERD *word, int32_t blob_number, bool italic_blob,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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339 const std::vector<SEAM *> &seams);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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340 SEAM *chop_overlapping_blob(const std::vector<TBOX> &boxes, bool italic_blob, WERD_RES *word_res,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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341 unsigned *blob_number);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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342 SEAM *improve_one_blob(const std::vector<BLOB_CHOICE *> &blob_choices, DANGERR *fixpt,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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343 bool split_next_to_fragment, bool italic_blob, WERD_RES *word,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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344 unsigned *blob_number);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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345 SEAM *chop_one_blob(const std::vector<TBOX> &boxes,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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346 const std::vector<BLOB_CHOICE *> &blob_choices, WERD_RES *word_res,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
347 unsigned *blob_number);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
348 void chop_word_main(WERD_RES *word);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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349 void improve_by_chopping(float rating_cert_scale, WERD_RES *word,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
350 BestChoiceBundle *best_choice_bundle, BlamerBundle *blamer_bundle,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
351 LMPainPoints *pain_points, std::vector<SegSearchPending> *pending);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
352 int select_blob_to_split(const std::vector<BLOB_CHOICE *> &blob_choices, float rating_ceiling,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
353 bool split_next_to_fragment);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
354 int select_blob_to_split_from_fixpt(DANGERR *fixpt);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
355
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
356 // findseam.cpp
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
357 void add_seam_to_queue(float new_priority, SEAM *new_seam, SeamQueue *seams);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
358 void choose_best_seam(SeamQueue *seam_queue, const SPLIT *split, PRIORITY priority,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
359 SEAM **seam_result, TBLOB *blob, SeamPile *seam_pile);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
360 void combine_seam(const SeamPile &seam_pile, const SEAM *seam, SeamQueue *seam_queue);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
361 SEAM *pick_good_seam(TBLOB *blob);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
362 void try_point_pairs(EDGEPT *points[MAX_NUM_POINTS], int16_t num_points, SeamQueue *seam_queue,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
363 SeamPile *seam_pile, SEAM **seam, TBLOB *blob);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
364 void try_vertical_splits(EDGEPT *points[MAX_NUM_POINTS], int16_t num_points,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
365 EDGEPT_CLIST *new_points, SeamQueue *seam_queue, SeamPile *seam_pile,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
366 SEAM **seam, TBLOB *blob);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
367
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
368 // gradechop.cpp
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
369 PRIORITY grade_split_length(SPLIT *split);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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370 PRIORITY grade_sharpness(SPLIT *split);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
371
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
372 // outlines.cpp
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
373 bool near_point(EDGEPT *point, EDGEPT *line_pt_0, EDGEPT *line_pt_1, EDGEPT **near_pt);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
374
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
375 // pieces.cpp
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
376 virtual BLOB_CHOICE_LIST *classify_piece(const std::vector<SEAM *> &seams, int16_t start,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
377 int16_t end, const char *description, TWERD *word,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
378 BlamerBundle *blamer_bundle);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
379
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
380 // Member variables.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
381
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
382 std::unique_ptr<LanguageModel> language_model_;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
383 PRIORITY pass2_ok_split;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
384 // Stores the best choice for the previous word in the paragraph.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
385 // This variable is modified by PAGE_RES_IT when iterating over
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
386 // words to OCR on the page.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
387 WERD_CHOICE *prev_word_best_choice_;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
388
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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389 // Function used to fill char choice lattices.
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390 void (Wordrec::*fill_lattice_)(const MATRIX &ratings, const WERD_CHOICE_LIST &best_choices,
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391 const UNICHARSET &unicharset, BlamerBundle *blamer_bundle);
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392
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393 protected:
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394 inline bool SegSearchDone(int num_futile_classifications) {
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395 return (language_model_->AcceptableChoiceFound() ||
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396 num_futile_classifications >= segsearch_max_futile_classifications);
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397 }
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398
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399 // Updates the language model state recorded for the child entries specified
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400 // in pending[starting_col]. Enqueues the children of the updated entries
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401 // into pending and proceeds to update (and remove from pending) all the
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402 // remaining entries in pending[col] (col >= starting_col). Upon termination
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403 // of this function all the pending[col] lists will be empty.
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404 //
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405 // The arguments:
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406 //
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407 // starting_col: index of the column in chunks_record->ratings from
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408 // which the update should be started
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409 //
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410 // pending: list of entries listing chunks_record->ratings entries
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411 // that should be updated
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412 //
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413 // pain_points: priority heap listing the pain points generated by
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414 // the language model
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415 //
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416 // temp_pain_points: temporary storage for tentative pain points generated
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417 // by the language model after a single call to LanguageModel::UpdateState()
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418 // (the argument is passed in rather than created before each
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419 // LanguageModel::UpdateState() call to avoid dynamic memory re-allocation)
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420 //
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421 // best_choice_bundle: a collection of variables that should be updated
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422 // if a new best choice is found
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423 //
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424 void UpdateSegSearchNodes(float rating_cert_scale, int starting_col,
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425 std::vector<SegSearchPending> *pending, WERD_RES *word_res,
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426 LMPainPoints *pain_points, BestChoiceBundle *best_choice_bundle,
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427 BlamerBundle *blamer_bundle);
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428
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429 // Process the given pain point: classify the corresponding blob, enqueue
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430 // new pain points to join the newly classified blob with its neighbors.
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431 void ProcessSegSearchPainPoint(float pain_point_priority, const MATRIX_COORD &pain_point,
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432 const char *pain_point_type,
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433 std::vector<SegSearchPending> *pending, WERD_RES *word_res,
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434 LMPainPoints *pain_points, BlamerBundle *blamer_bundle);
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435 // Resets enough of the results so that the Viterbi search is re-run.
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436 // Needed when the n-gram model is enabled, as the multi-length comparison
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437 // implementation will re-value existing paths to worse values.
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438 void ResetNGramSearch(WERD_RES *word_res, BestChoiceBundle *best_choice_bundle,
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439 std::vector<SegSearchPending> &pending);
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440
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441 // Add pain points for classifying blobs on the correct segmentation path
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442 // (so that we can evaluate correct segmentation path and discover the reason
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443 // for incorrect result).
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444 void InitBlamerForSegSearch(WERD_RES *word_res, LMPainPoints *pain_points,
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445 BlamerBundle *blamer_bundle, std::string &blamer_debug);
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446 };
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447
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448 } // namespace tesseract
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449
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450 #endif // DISABLED_LEGACY_ENGINE
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451
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452 #endif // TESSERACT_WORDREC_WORDREC_H_