clear;
clc
Src=imread（‘d:\??\imm_face_db\01-1m.jpg‘）;
figureimshow（Src）;
YCrCb=rgb2ycbcr（Src）;
Y=YCrCb（::1）;
Dim=size（Y）;
BuffLen=Dim（1）*Dim（2）;
BalRatio=0.03;
PixSum=BuffLen*0.03;
[countlevel]=imhist（Y）;
Sum1=0;
Sum2=0;
Threshold1=0;
Threshold2=0;
for?i=256:1
Sum1=Sum1+count（i）;
????if?Sum1>PixSum
????Threshold1=i;
????break;
????end
end
for?i=1:256
????Sum2=Sum2+count（i）;
????if?Sum2>PixSum;
????????Threshold2=i;
????????break;
????end
end
AvgR1=double（0）;
AvgG1=double（0）;
AvgB1=double（0）;
AvgR2=double（0）;
AvgG2=double（0）;
AvgB2=double（0）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1173??2011-06-09?18:16??ReferenceWhite.m

-----------?---------??----------?-----??----

?????????????????1173????????????????????1