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https://github.com/tesseract-ocr/tesseract.git
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570af48b8b
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@87 d0cd1f9f-072b-0410-8dd7-cf729c803f20
73 lines
3.5 KiB
C
73 lines
3.5 KiB
C
/******************************************************************
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* File: fixspace.h (Formerly fixspace.h)
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* Description: Implements a pass over the page res, exploring the alternative
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* spacing possibilities, trying to use context to improve the
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word spacing
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* Author: Phil Cheatle
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* Created: Thu Oct 21 11:38:43 BST 1993
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*
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* (C) Copyright 1993, 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 FIXSPACE_H
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#define FIXSPACE_H
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#include "pageres.h"
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#include "varable.h"
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#include "ocrclass.h"
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#include "notdll.h"
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extern BOOL_VAR_H (fixsp_check_for_fp_noise_space, TRUE,
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"Try turning noise to space in fixed pitch");
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extern BOOL_VAR_H (fixsp_fp_eval, TRUE, "Use alternate evaluation for fp");
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extern BOOL_VAR_H (fixsp_noise_score_fixing, TRUE, "More sophisticated?");
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extern INT_VAR_H (fixsp_non_noise_limit, 1,
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"How many non-noise blbs either side?");
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extern double_VAR_H (fixsp_small_outlines_size, 0.28,
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"Small if lt xht x this");
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extern BOOL_VAR_H (fixsp_ignore_punct, TRUE, "In uniform spacing calc");
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extern BOOL_VAR_H (fixsp_numeric_fix, TRUE, "Try to deal with numeric punct");
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extern BOOL_VAR_H (fixsp_prefer_joined_1s, TRUE, "Arbitrary boost");
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extern BOOL_VAR_H (tessedit_test_uniform_wd_spacing, FALSE,
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"Limit context word spacing");
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extern BOOL_VAR_H (tessedit_prefer_joined_punct, FALSE,
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"Reward punctation joins");
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extern INT_VAR_H (fixsp_done_mode, 1, "What constitues done for spacing");
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extern INT_VAR_H (debug_fix_space_level, 0, "Contextual fixspace debug");
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extern STRING_VAR_H (numeric_punctuation, ".,",
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"Punct. chs expected WITHIN numbers");
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void fix_fuzzy_spaces( //find fuzzy words
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volatile ETEXT_DESC *monitor, //progress monitor
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INT32 word_count, //count of words in doc
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PAGE_RES *page_res);
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void fix_fuzzy_space_list( //space explorer
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WERD_RES_LIST &best_perm,
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ROW *row);
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void initialise_search(WERD_RES_LIST &src_list, WERD_RES_LIST &new_list);
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void match_current_words(WERD_RES_LIST &words, ROW *row);
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INT16 eval_word_spacing(WERD_RES_LIST &word_res_list);
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BOOL8 digit_or_numeric_punct(WERD_RES *word, int char_position);
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void transform_to_next_perm(WERD_RES_LIST &words);
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void dump_words(WERD_RES_LIST &perm, INT16 score, INT16 mode, BOOL8 improved);
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BOOL8 uniformly_spaced( //sensible word
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WERD_RES *word);
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BOOL8 fixspace_thinks_word_done(WERD_RES *word);
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void fix_sp_fp_word(WERD_RES_IT &word_res_it, ROW *row);
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void fix_noisy_space_list(WERD_RES_LIST &best_perm, ROW *row);
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void break_noisiest_blob_word(WERD_RES_LIST &words);
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INT16 worst_noise_blob(WERD_RES *word_res, float *worst_noise_score);
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float blob_noise_score(PBLOB *blob);
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void fixspace_dbg(WERD_RES *word);
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INT16 fp_eval_word_spacing(WERD_RES_LIST &word_res_list);
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#endif
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