Deriche2d.c File Reference
Functions |
void | VDeriche2d (VImage src, VFloat alpha, VImage *gradr, VImage *gradc) |
Detailed Description
2D 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 VDeriche2d |
( |
VImage |
src, |
|
|
VFloat |
alpha, |
|
|
VImage * |
gradr, |
|
|
VImage * |
gradc | |
|
) |
| | |
- Parameters:
-
| src | input image (ubyte repn) |
| alpha | parameter controlling edge strength |
| *gradr | output gradient in row direction (float repn) |
| *gradc | output gradient in column direction (float repn) |