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1 orl数据库变量feaandgnd data description描述.pdf

发布:2025-04-27约9.82千字共6页下载文档
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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:

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