Canny.c File Reference


Functions

void VCanny3d (VImage src, int dim, VImage *gradb, VImage *gradr, VImage *gradc)
void VCanny2d (VImage src, int dim, VImage *gradr, VImage *gradc)

Detailed Description

3D Canny edge detection

Reference:
J. Canny (1986). "A computational approach to edge detection", IEEE-PAMI, Vol.8, No.6. pp.679--698.
Author:
Gabriele Lohmann, MPI-CBS

Function Documentation

void VCanny3d ( VImage  src,
int  wsize,
VImage *  gradb,
VImage *  gradr,
VImage *  gradc 
)

Parameters:
src input image
*gradb output gradient in slice direction (float repn)
*gradr output gradient in row direction (float repn)
*gradc output gradient in column direction (float repn)
wsize dimension of convolution kernel

void VCanny2d ( VImage  src,
int  wsize,
VImage *  gradr,
VImage *  gradc 
)

Parameters:
src input image
*gradr output gradient in row direction (float repn)
*gradc output gradient in column direction (float repn)
wsize dimension of convolution kernel


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