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109d1c8f21
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@286 d0cd1f9f-072b-0410-8dd7-cf729c803f20
83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
/**********************************************************************
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* File: blobcmp.c (Formerly blobcmp.c)
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* Description: Code to compare blobs using the adaptive matcher.
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* Author: Ray Smith
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* Created: Wed Apr 21 09:28:51 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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#include "mfcpch.h"
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#include "fxdefs.h"
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#include "ocrfeatures.h"
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#include "intmatcher.h"
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#include "intproto.h"
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#include "adaptive.h"
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#include "adaptmatch.h"
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#include "const.h"
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#include "tessvars.h"
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#include "tesseractclass.h"
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#define CMP_CLASS 0
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/**********************************************************************
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* compare_tess_blobs
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*
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* Match 2 blobs using the adaptive classifier.
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**********************************************************************/
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namespace tesseract {
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float Tesseract::compare_tess_blobs(TBLOB *blob1,
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TEXTROW *row1,
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TBLOB *blob2,
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TEXTROW *row2) {
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int fcount; /*number of features */
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ADAPT_CLASS adapted_class;
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ADAPT_TEMPLATES ad_templates;
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LINE_STATS line_stats1, line_stats2;
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INT_FEATURE_ARRAY int_features;
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FEATURE_SET float_features;
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INT_RESULT_STRUCT int_result; /*output */
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BIT_VECTOR AllProtosOn = NewBitVector (MAX_NUM_PROTOS);
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BIT_VECTOR AllConfigsOn = NewBitVector (MAX_NUM_CONFIGS);
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set_all_bits (AllProtosOn, WordsInVectorOfSize (MAX_NUM_PROTOS));
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set_all_bits (AllConfigsOn, WordsInVectorOfSize (MAX_NUM_CONFIGS));
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EnterClassifyMode;
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ad_templates = NewAdaptedTemplates (false);
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GetLineStatsFromRow(row1, &line_stats1);
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/*copy baseline stuff */
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GetLineStatsFromRow(row2, &line_stats2);
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adapted_class = NewAdaptedClass ();
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AddAdaptedClass (ad_templates, adapted_class, CMP_CLASS);
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InitAdaptedClass(blob1, &line_stats1, CMP_CLASS, adapted_class, ad_templates);
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fcount = GetAdaptiveFeatures (blob2, &line_stats2,
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int_features, &float_features);
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if (fcount > 0) {
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SetBaseLineMatch();
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IntegerMatcher (ClassForClassId (ad_templates->Templates, CMP_CLASS),
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AllProtosOn, AllConfigsOn, fcount, fcount,
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int_features, 0, &int_result, testedit_match_debug);
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FreeFeatureSet(float_features);
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if (int_result.Rating < 0)
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int_result.Rating = MAX_FLOAT32;
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}
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free_adapted_templates(ad_templates);
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FreeBitVector(AllConfigsOn);
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FreeBitVector(AllProtosOn);
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return fcount > 0 ? int_result.Rating * fcount : MAX_FLOAT32;
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}
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} // namespace tesseract
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