problem for calculating time for image compression problem

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moahaimen talib
moahaimen talib 2017-9-12
编辑： moahaimen talib 2017-9-12
Does anyone can help me with image compression in matlab, I have problem with calculate processing time? I used tic toc and cpu time function time when i make for example compressing
rinComps=50 and for PrinComps=1:10:50 that will achieve 10:1 compression ratio 5.2160
or PrinComps=1:1:5 that will achieve 93:1 of compression ratio time resulted= 3.7340 that is not logical offcourse how can that happen increasing the compression for an image will give more time not less time as i see
princomps=50
for PrinComps=1:10:50
VV=V(:,1:PrinComps);
Y=VV'*X;
ratio= 1024/(2*PrinComps+1);
XX=VV*Y;
XX1=uint8(XX+repmat(mn,1,n));
end

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