skin color detection
DESCRIPTION
Skin Color Detection. Jeff Lee. 目的. 用途. 人臉辨識. 用途. Color Space. 黑白. 彩色. Color Space. Skin Color Detection. R > 95 & G > 40 & B > 20 & Max(R,G,B) – min(R,G,B)>15 & Abs(R – G) >15 & R > G & R >B. Skin Color Detection. Color Space. Correlation-coefficient R,G => 95.66% - PowerPoint PPT PresentationTRANSCRIPT
112/04/201
Skin Color Detection
Jeff Lee
112/04/202
目的
112/04/203
用途人臉辨識
112/04/204
用途
112/04/205
Color Space
黑白 彩色
112/04/206
Color Space
Skin Color Detection
R > 95 & G > 40 & B > 20 & Max(R,G,B) – min(R,G,B)>15 & Abs(R – G) >15 & R > G & R >B
112/04/207
Skin Color Detection
112/04/208
112/04/209
Color Space
Correlation-coefficient R,G => 95.66% R,B => 83.4% B,G => 92.34%
112/04/2010
Color Space
RGBRGB Other Color Space
Other Color Space
112/04/2011
Color Space
CIE– CIEXYZ · CIELAB · CIECAM02 · CIELUV ·
Yuv · CIEUVW · CIE RGB YUV
– YUV (PAL) · YDbDr (SECAM) · YIQ (NTSC) · YCbCr · YPbPr · xvYCC
Other– LMS · HSL, HSV · CMYK ·… …
112/04/2012
YCbCr
Y = 0.299R + 0.587G + 0.114B U = -0.147R - 0.289G + 0.436B V = 0.615R - 0.515G - 0.100B
R = Y + 1.14V G = Y - 0.39U - 0.58V B = Y + 2.03U
112/04/2013
YCbCr
Correlation-coefficient Y,Cb => -28.4% Y,Cr => 18.68% Cb,Cr => -74.41%
112/04/2014
Skin Color Detection
In Y Cr Cb Y>80 & 85 < Cb <135 135 < Cr <180
112/04/2015
Skin Color Detection
112/04/2016
Skin Color Detection
Problem: Light Color
112/04/2017
New Method
112/04/2018
OriginalMethod
NewMethod