lmrcImageBinarization(API)

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DataManip/mrcImage/src/lmrcImageBinarizationは2値化のためのAPI です。mrcImageBinalizationで使用されています。

定数

構造体

lmrcImageBinarizationなどで使用する設定です。

typedef struct lmrcImageBinarizationInfo {
	double thresHold;	
	double value;	
	int flagNear;
	double near; /* pixel unit */	
	int  nLevel;
	double p;
}lmrcImageBinarizationInfo;

API

2値化処理

メイン

extern void    lmrcImageBinarization(mrcImage* out, mrcImage* in, lmrcImageBinarizationInfo linfo, int mode);

1バイト上位ビット(&0xf0)を1以上にすると、通常の2値化処理の前に特殊処理行います。

mode 使用関数
0x00 処理なし
0x10 lmrcImageDeterminationOfThresholdForBinarizationByKittlerMethod
0x20 lmrcImageDeterminationOfThresholdForBinarizationByOhtsuMethod
0x30 lmrcImageDeterminationOfThresholdForBinarizationByptileMethod
0x40 lmrcImageDeterminationOfThresholdForBinarizationByDifferentialHistogramMethod
0x50 lmrcImageDeterminationOfThresholdForBinarizationByLaplacianHistogramMethod


通常処理

extern void    lmrcImageBinarization0(mrcImage* out, mrcImage* in, lmrcImageBinarizationInfo linfo, int mode);

特殊処理

Kittler Method

extern double  lmrcImageDeterminationOfThresholdForBinarizationByKittlerMethod(mrcImage* mrc, int L, int mode);

Ohtsu Method

extern double  lmrcImageDeterminationOfThresholdForBinarizationByOhtsuMethod(mrcImage* mrc, int L, int mode);

p-tile Method

extern double  lmrcImageDeterminationOfThresholdForBinarizationByptileMethod(mrcImage* mrc, int L, double p, int mode);

Differential-Histogram Method

extern double  lmrcImageDeterminationOfThresholdForBinarizationByDifferentialHistogramMethod(mrcImage* mrc, int L, int mode);

Laplacian-Histogram Method

extern double  lmrcImageDeterminationOfThresholdForBinarizationByLaplacianHistogramMethod(mrcImage* mrc, int L, int mode);

Ohtsu Methodによる閾値の計算

extern double  determinationThresholdFromGraylevelHistogramByOhtsuMethod(int* tile, int L);

ヘルプ

extern void    lmrcImageBinarizationUsage(FILE* fpt);