detect_skin
Arguments:
- 0<=tolerance<=1,_skin_x,_skin_y,_skin_radius>=0
Description:
Detect skin in selected color images and output an appartenance probability map.
Detection is performed using CbCr chromaticity data of skin pixels.
If arguments
skin_x,
skin_y and
skin_radius are provided, skin pixels are learnt
from the sample pixels inside the circle located at (
skin_x,'skin_y') with radius
skin_radius.
Default values:
tolerance=0.5 and skin_x=skiny=radius=-1.