VIA - Volumetric Image Analysis
Functions
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:
srcinput image
*gradboutput gradient in slice direction (float repn)
*gradroutput gradient in row direction (float repn)
*gradcoutput gradient in column direction (float repn)
wsizedimension of convolution kernel
void VCanny2d ( VImage  src,
int  wsize,
VImage *  gradr,
VImage *  gradc 
)
Parameters:
srcinput image
*gradroutput gradient in row direction (float repn)
*gradcoutput gradient in column direction (float repn)
wsizedimension of convolution kernel