lmrcImageBinarization(API)
提供: Eospedia
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);