34 lines
1.0 KiB
Mathematica
34 lines
1.0 KiB
Mathematica
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function [F,descr] = readyalefaces_to_tensor(str)
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if not(exist('str','var'))
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str='all';
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end
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switch str
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case 'easy'
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extensions = {'happy', 'normal', 'sad', 'sleepy', 'surprised', 'wink' };
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case 'easy-nowink'
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extensions = {'happy', 'normal', 'sad', 'sleepy', 'surprised' };
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case 'nowink'
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extensions = {'centerlight', 'glasses', 'happy', 'leftlight', 'noglasses', 'normal', 'rightlight', 'sad', 'sleepy', 'surprised' };
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case {'hard','all'}
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extensions = {'centerlight', 'glasses', 'happy', 'leftlight', 'noglasses', 'normal', 'rightlight', 'sad', 'sleepy', 'surprised', 'wink' };
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otherwise
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error 'unknown selector';
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end
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for i = 1 : 15,
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basename = 'yalefaces/subject';
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if( i < 10 )
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basename = [basename, '0', num2str(i)];
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else
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basename = [basename, num2str(i)];
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end;
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for j = 1:length(extensions),
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fullname = [basename, '.', extensions{j}, '.gif'];
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X = imread(fullname);
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F(:,:,j,i) = double(X)/255;
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end;
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end;
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descr=extensions;
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