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void ternarize (Inrimage *inr, double lt, double ht, double bg, double lf, double hf) throw( Exception )

Applies a double thresholding on this image

Documentation

Applies a double thresholding on this image. If a pixel value v < lt then it is set to bg. If lt <= v < ht then it is set to lf and if v>= ht then it is set to hf
Parameters:
lt - low threshold
ht - high threshold
bg - background value
lf - low foreground
hf - high foreground

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