void ternarize ( Inrimage *inr, Inrimage::WORD_TYPE type, double lt, double ht, double bg, double lf, double hf ) throw( Exception ) void ternarize ( Inrimage *inr, Inrimage::WORD_TYPE type, double lt, double ht, double bg, double lf, double hf ) throw( Exception ) Applies a double thresholding on this image
Applies a double thresholding on this image. We call v a pixel of the input image and w its corresponding pixel in the output image. If a pixel value v < lt then w is set to background. If lt <= v < ht then w is set to lf and if v>= ht then w is set to hf
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