palmprint recgnition

2011 3 31
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hi all
i am doing eigenspectra palmprint recgnition. So How can i discard half of the fouier transformed(frenquncy domain) components in palmprint recognition.please reply me.
thanks

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回答（1 个）

Sean de Wolski
Sean de Wolski 2011-3-31

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theDFT = fft2(double(your_image));
theDFT = theDFT(1:ceil(size(the_DFT,1)/2),1:ceil(size(the_DFT,2)/2));

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