Deriche3d.c File Reference

Functions

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

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

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)
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