Deriche3d.c File Reference

Functions
void	VDeriche3d (VImage src, VFloat alpha, VImage *gradb, VImage *gradr, VImage *gradc)

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Detailed Description

3D Deriche filter for edge detection

Reference:

R. Deriche. Fast algorithms for low-level vision. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1(12):78-88, January 1990.

Author:

Gabriele Lohmann, MPI-CBS

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Function Documentation

void VDeriche3d	(	VImage	src,
		VFloat	alpha,
		VImage *	gradb,
		VImage *	gradr,
		VImage *	gradc
	)

Parameters:

src	input image (ubyte repn)
alpha	parameter controlling edge strength
*gradb	output gradient in slice direction (float repn)
*gradr	output gradient in row direction (float repn)
*gradc	output gradient in column direction (float repn)