Patent ID: 6711286
Filing Date: 2004-03-23
Classification: G06K,G06T

Abstract:
A method for removing blond hair color pixels during skin color detection in a digital RGB image, the method comprising the steps of:(a) converting the image from an RGB space to a generalized RGB space, thereby obtaining a gRGB image; (b) detecting skin color pixels within the GRGB image; (c) forming a first skin color image mask based on the detected skin color pixels; (d) generating a masked GRGB image using the first skin color image mask; (e) converting the masked gRGB image to a hue image; (f) separating blond hair color and the associated skin color within the hue image; (g) forming a second skin color image mask based on the separated skin color pixels in the hue image; and (h) generating a masked RGB image using the second skin color image mask.