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mlib_imagethresh4_fp_inp

mlib_ImageThresh4_Fp_Inp(3MLIB) 			    mediaLib Library Functions				   mlib_ImageThresh4_Fp_Inp(3MLIB)

NAME

       mlib_ImageThresh4_Fp_Inp - image thresholding

SYNOPSIS

       cc [ flag... ] file... -lmlib [ library... ]
       #include <mlib.h>

       mlib_status mlib_ImageThresh4_Fp_Inp(mlib_image *srcdst, const mlib_d64 *thigh, const mlib_d64 *tlow, const mlib_d64 *ghigh, const mlib_d64
       *glow);

DESCRIPTION

       The mlib_ImageThresh4_Fp_Inp() function compares each pixel in the source image to two threshold values, tlow and thigh. If  the  pixel	is
       less  than the lower threshold value, tlow, then the destination pixel is set to the lower output level, glow. If the pixel is greater than
       the higher threshold value, thigh, then the destination pixel is set to the higher output level, ghigh. Otherwise, the destination pixel is
       set to the value of the source pixel.

       It uses the following equation:

       srcdst[x][y][i] = glow[i]   if srcdst[x][y][i] < tlow[i]
       srcdst[x][y][i] = ghigh[i]  if srcdst[x][y][i] > thigh[i]

PARAMETERS

       The function takes the following arguments:

       srcdst	       Pointer to source and destination image.

       thigh	       High threshold value.  thigh[i] holds the high threshold for channel i.

       tlow	       Low threshold value.  tlow[i] holds the low threshold for channel i.

       ghigh	       High output grayscale level.  ghigh[i] holds the high output grayscale level for channel i.

       glow	       Low output grayscale level.  glow[i] holds the low output grayscale level for channel i.

RETURN VALUES

       The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mlib_ImageThresh1(3MLIB),   mlib_ImageThresh1_Fp(3MLIB),   mlib_ImageThresh1_Fp_Inp(3MLIB),   mlib_ImageThresh1_Inp(3MLIB),   mlib_ImageTh-
       resh2(3MLIB),   mlib_ImageThresh2_Fp(3MLIB),   mlib_ImageThresh2_Fp_Inp(3MLIB),	 mlib_ImageThresh2_Inp(3MLIB),	 mlib_ImageThresh3(3MLIB),
       mlib_ImageThresh3_Fp(3MLIB),   mlib_ImageThresh3_Fp_Inp(3MLIB),	 mlib_ImageThresh3_Inp(3MLIB),	 mlib_ImageThresh4(3MLIB),   mlib_ImageTh-
       resh4_Fp(3MLIB),  mlib_ImageThresh4_Inp(3MLIB),	mlib_ImageThresh5(3MLIB),  mlib_ImageThresh5_Fp(3MLIB),   mlib_ImageThresh5_Fp_Inp(3MLIB),
       mlib_ImageThresh5_Inp(3MLIB), attributes(5)

SunOS 5.10							    10 Nov 2004 				   mlib_ImageThresh4_Fp_Inp(3MLIB)