tesseract-2.01.rar_01数字识别_OCR 数字_OCR文字识别_tesseract-ocr_数字OCR

/****************************************************************************** ** Filename: adaptmatch.c ** Purpose: High level adaptive matcher. ** Author: Dan Johnson ** History: Mon Mar 11 10:00:10 1991, DSJ, Created. ** ** (c) Copyright Hewlett-Packard Company, 1988. ** Licensed under the Apache License, Version 2.0 (the "License"); ** you may not use this file except in compliance with the License. ** You may obtain a copy of the License at ** http://www.apache.org/licenses/LICENSE-2.0 ** Unless required by applicable law or agreed to in writing, software ** distributed under the License is distributed on an "AS IS" BASIS, ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ** See the License for the specific language governing permissions and ** limitations under the License. ******************************************************************************/ /**---------------------------------------------------------------------------- Include Files and Type Defines ----------------------------------------------------------------------------**/ #include <ctype.h> #include "adaptmatch.h" #include "normfeat.h" #include "mfoutline.h" #include "picofeat.h" #include "float2int.h" #include "outfeat.h" #include "emalloc.h" #include "intfx.h" #include "permnum.h" #include "speckle.h" #include "efio.h" #include "normmatch.h" #include "stopper.h" #include "permute.h" #include "context.h" #include "ndminx.h" #include "intproto.h" #include "const.h" #include "globals.h" #include "werd.h" #include "callcpp.h" #include "tordvars.h" #include <stdio.h> #include <string.h> #include <ctype.h> #include <stdlib.h> #include <math.h> #ifdef __UNIX__ #include <assert.h> #endif #define ADAPT_TEMPLATE_SUFFIX ".a" #define BUILT_IN_TEMPLATES_FILE "inttemp" #define BUILT_IN_CUTOFFS_FILE "pffmtable" #define MAX_MATCHES 10 #define UNLIKELY_NUM_FEAT 200 #define NO_DEBUG 0 #define MAX_ADAPTABLE_WERD_SIZE 40 #define ADAPTABLE_WERD (GOOD_NUMBER + 0.05) #define Y_DIM_OFFSET (Y_SHIFT - BASELINE_Y_SHIFT) #define WORST_POSSIBLE_RATING (1.0) typedef struct { INT32 BlobLength; int NumMatches; CLASS_ID Classes[MAX_NUM_CLASSES]; FLOAT32 Ratings[MAX_CLASS_ID + 1]; UINT8 Configs[MAX_CLASS_ID + 1]; FLOAT32 BestRating; CLASS_ID BestClass; UINT8 BestConfig; } ADAPT_RESULTS; typedef struct { ADAPT_TEMPLATES Templates; CLASS_ID ClassId; int ConfigId; } PROTO_KEY; /**---------------------------------------------------------------------------- Private Macros ----------------------------------------------------------------------------**/ #define MarginalMatch(Rating) \ ((Rating) > GreatAdaptiveMatch) #define TempConfigReliable(Config) \ ((Config)->NumTimesSeen >= ReliableConfigThreshold) #define InitIntFX() (FeaturesHaveBeenExtracted = FALSE) /**---------------------------------------------------------------------------- Private Function Prototypes ----------------------------------------------------------------------------**/ void AdaptToChar(TBLOB *Blob, LINE_STATS *LineStats, CLASS_ID ClassId, FLOAT32 Threshold); void AdaptToPunc(TBLOB *Blob, LINE_STATS *LineStats, CLASS_ID ClassId, FLOAT32 Threshold); void AddNewResult(ADAPT_RESULTS *Results, CLASS_ID ClassId, FLOAT32 Rating, int ConfigId); void AmbigClassifier(TBLOB *Blob, LINE_STATS *LineStats, INT_TEMPLATES Templates, UNICHAR_ID *Ambiguities, ADAPT_RESULTS *Results); UNICHAR_ID *BaselineClassifier(TBLOB *Blob, LINE_STATS *LineStats, ADAPT_TEMPLATES Templates, ADAPT_RESULTS *Results); void make_config_pruner(INT_TEMPLATES templates, CONFIG_PRUNER *config_pruner); void CharNormClassifier(TBLOB *Blob, LINE_STATS *LineStats, INT_TEMPLATES Templates, ADAPT_RESULTS *Results); void ClassifyAsNoise(TBLOB *Blob, LINE_STATS *LineStats, ADAPT_RESULTS *Results); //CLASS_ID *Class1, int CompareCurrentRatings(const void *arg1, const void *arg2); //CLASS_ID *Class2); LIST ConvertMatchesToChoices(ADAPT_RESULTS *Results); void DebugAdaptiveClassifier(TBLOB *Blob, LINE_STATS *LineStats, ADAPT_RESULTS *Results); void DoAdaptiveMatch(TBLOB *Blob, LINE_STATS *LineStats, ADAPT_RESULTS *Results); void GetAdaptThresholds (TWERD * Word, LINE_STATS * LineStats, const WERD_CHOICE& BestChoice, const WERD_CHOICE& BestRawChoice, FLOAT32 Thresholds[]); UNICHAR_ID *GetAmbiguities(TBLOB *Blob, LINE_STATS *LineStats, CLASS_ID CorrectClass); int GetBaselineFeatures(TBLOB *Blob, LINE_STATS *LineStats, INT_TEMPLATES Templates, INT_FEATURE_ARRAY IntFeatures, CLASS_NORMALIZATION_ARRAY CharNormArray, INT32 *BlobLength); FLOAT32 GetBestRatingFor(TBLOB *Blob, LINE_STATS *LineStats, CLASS_ID ClassId); int GetCharNormFeatures(TBLOB *Blob, LINE_STATS *LineStats, INT_TEMPLATES Templates, INT_FEATURE_ARRAY IntFeatures, CLASS_NORMALIZATION_ARRAY CharNormArray, INT32 *BlobLength); int GetIntBaselineFeatures(TBLOB *Blob, LINE_STATS *LineStats, INT_TEMPLATES Templates, INT_FEATURE_ARRAY IntFeatures, CLASS_NORMALIZATION_ARRAY CharNormArray, INT32 *BlobLength); int GetIntCharNormFeatures(TBLOB *Blob, LINE_STATS *LineStats, INT_TEMPLATES Templates, INT_FEATURE_ARRAY IntFeatures, CLASS_NORMALIZATION_ARRAY CharNormArray, INT32 *BlobLength); void InitMatcherRatings(register FLOAT32 *Rating); int MakeNewTemporaryConfig(ADAPT_TEMPLATES Templates, CLASS_ID ClassId, int NumFeatures, INT_FEATURE_ARRAY Features, FEATURE_SET FloatFeatures); PROTO_ID MakeNewTempProtos (FEATURE_SET Features, int NumBadFeat, FEATURE_ID BadFeat[], INT_CLASS IClass, ADAPT_CLASS Class, BIT_VECTOR TempProtoMask); void MakePermanent(ADAPT_TEMPLATES Templates, CLASS_ID ClassId, int ConfigId, TBLOB *Blob, LINE_STATS *LineStats); int MakeTempProtoPerm(void *item1, void *item2); int NumBlobsIn(TWERD *Word); int NumOutlinesInBlob(TBLOB *Blob); void PrintAdaptiveMatchResults(FILE *File, ADAPT_RESULTS *Results); void RemoveBadMatches(ADAPT_RESULTS *Results); void RemoveExtraPuncs(ADAPT_RESULTS *Results); void SetAdaptiveThreshold(FLOAT32 Threshold); void ShowBestMatchFor(TBLOB *Blob, LINE_STATS *LineStats, CLASS_ID ClassId, BOOL8 AdaptiveOn, BOOL8 PreTrainedOn); /* #if defined(__STDC__) || defined(__cplusplus) # define _ARGS(s) s #else # define _ARGS(s) () #endif*/ /* /users/danj/wiseowl/src/danj/microfeatures/adaptmatch.c int AdaptableWord _ARGS((TWERD *Word, char *BestChoice, char *BestRawChoice)); void AdaptToChar _ARGS((BLOB *Blob, LINE_STATS *LineSt