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110 lines
5.3 KiB
C
110 lines
5.3 KiB
C
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/**********************************************************************
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* File: adaptions.h (Formerly adaptions.h)
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* Description: Functions used to adapt to blobs already confidently
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* identified
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* Author: Chris Newton
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* Created: Thu Oct 7 10:17:28 BST 1993
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*
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* (C) Copyright 1992, Hewlett-Packard Ltd.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#ifndef ADAPTIONS_H
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#define ADAPTIONS_H
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#include "charsample.h"
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#include "charcut.h"
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#include "notdll.h"
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extern BOOL_VAR_H (tessedit_reject_ems, FALSE, "Reject all m's");
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extern BOOL_VAR_H (tessedit_reject_suspect_ems, FALSE, "Reject suspect m's");
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extern double_VAR_H (tessedit_cluster_t1, 0.20,
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"t1 threshold for clustering samples");
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extern double_VAR_H (tessedit_cluster_t2, 0.40,
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"t2 threshold for clustering samples");
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extern double_VAR_H (tessedit_cluster_t3, 0.12,
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"Extra threshold for clustering samples, only keep a new sample if best score greater than this value");
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extern double_VAR_H (tessedit_cluster_accept_fraction, 0.80,
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"Largest fraction of characters in cluster for it to be used for adaption");
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extern INT_VAR_H (tessedit_cluster_min_size, 3,
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"Smallest number of samples in a cluster for it to be used for adaption");
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extern BOOL_VAR_H (tessedit_cluster_debug, FALSE,
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"Generate and print debug information for adaption by clustering");
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extern BOOL_VAR_H (tessedit_use_best_sample, FALSE,
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"Use best sample from cluster when adapting");
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extern BOOL_VAR_H (tessedit_test_cluster_input, FALSE,
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"Set reject map to enable cluster input to be measured");
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extern BOOL_VAR_H (tessedit_matrix_match, TRUE, "Use matrix matcher");
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extern BOOL_VAR_H (tessedit_old_matrix_match, FALSE, "Use matrix matcher");
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extern BOOL_VAR_H (tessedit_mm_use_non_adaption_set, FALSE,
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"Don't try to adapt to characters on this list");
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extern STRING_VAR_H (tessedit_non_adaption_set, ",.;:'~@*",
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"Characters to be avoided when adapting");
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extern BOOL_VAR_H (tessedit_mm_adapt_using_prototypes, TRUE,
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"Use prototypes when adapting");
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extern BOOL_VAR_H (tessedit_mm_use_prototypes, TRUE,
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"Use prototypes as clusters are built");
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extern BOOL_VAR_H (tessedit_mm_use_rejmap, FALSE,
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"Adapt to characters using reject map");
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extern BOOL_VAR_H (tessedit_mm_all_rejects, FALSE,
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"Adapt to all characters using, matrix matcher");
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extern BOOL_VAR_H (tessedit_mm_only_match_same_char, FALSE,
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"Only match samples against clusters for the same character");
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extern BOOL_VAR_H (tessedit_process_rns, FALSE, "Handle m - rn ambigs");
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extern BOOL_VAR_H (tessedit_demo_adaption, FALSE,
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"Display cut images and matrix match for demo purposes");
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extern INT_VAR_H (tessedit_demo_word1, 62,
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"Word number of first word to display");
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extern INT_VAR_H (tessedit_demo_word2, 64,
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"Word number of second word to display");
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extern STRING_VAR_H (tessedit_demo_file, "academe",
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"Name of document containing demo words");
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BOOL8 word_adaptable( //should we adapt?
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WERD_RES *word,
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UINT16 mode);
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void collect_ems_for_adaption(WERD_RES *word,
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CHAR_SAMPLES_LIST *char_clusters,
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CHAR_SAMPLE_LIST *chars_waiting);
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void collect_characters_for_adaption(WERD_RES *word,
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CHAR_SAMPLES_LIST *char_clusters,
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CHAR_SAMPLE_LIST *chars_waiting);
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void cluster_sample(CHAR_SAMPLE *sample,
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CHAR_SAMPLES_LIST *char_clusters,
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CHAR_SAMPLE_LIST *chars_waiting);
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void check_wait_list(CHAR_SAMPLE_LIST *chars_waiting,
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CHAR_SAMPLE *sample,
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CHAR_SAMPLES *best_cluster);
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void complete_clustering(CHAR_SAMPLES_LIST *char_clusters,
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CHAR_SAMPLE_LIST *chars_waiting);
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void adapt_to_good_ems(WERD_RES *word,
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CHAR_SAMPLES_LIST *char_clusters,
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CHAR_SAMPLE_LIST *chars_waiting);
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void adapt_to_good_samples(WERD_RES *word,
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CHAR_SAMPLES_LIST *char_clusters,
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CHAR_SAMPLE_LIST *chars_waiting);
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void print_em_stats(CHAR_SAMPLES_LIST *char_clusters,
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CHAR_SAMPLE_LIST *chars_waiting);
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//lines of the image
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CHAR_SAMPLE *clip_sample(PIXROW *pixrow,
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IMAGELINE *imlines,
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BOX pix_box, //box of imlines extent
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BOOL8 white_on_black,
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char c);
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void display_cluster_prototypes(CHAR_SAMPLES_LIST *char_clusters);
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void reject_all_ems(WERD_RES *word);
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void reject_all_fullstops(WERD_RES *word);
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void reject_suspect_ems(WERD_RES *word);
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void reject_suspect_fullstops(WERD_RES *word);
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BOOL8 suspect_em(WERD_RES *word, INT16 index);
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BOOL8 suspect_fullstop(WERD_RES *word, INT16 i);
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#endif
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