1 orl数据库变量feaandgnd data description描述.pdf
1、ORLdatabase
32×32:Containsvariablesfeaandgnd.Eachrowoffeaisaface;gndisthelabel.
Samplefaceimages:
Thefaceimagecanbedisplayedinmatlabwiththefollowingcommandlines:
%
faceW=32;
faceH=32;
numPerLine=10;
ShowLine=2;
Y=zeros(faceH*ShowLine,faceW*numPerLine);
fori=0:ShowLine-1
forj=0:numPerLine-1
Y(i*faceH+1:(i+1)*faceH,j*faceW+1:(j+1)*faceW)=
reshape(fea(i*numPerLine+j+1,:),[faceH,faceW]);
end
end
imagesc(Y);colormap(gray);
%
64×64:Containsvariablesfeaandgnd.Eachrowoffeaisaface;gndisthelabel.
2、Yaledatabase
32×32:Containsvariablesfeaandgnd.Eachrowoffeaisaface;gndisthelabel.
Samplefaceimages: