error in finding compression ratio

2012 2 13
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更新时间：2013 10 10
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i have a code
out=imcompr('dock.jpg',20,'output_image01.bmp');
k=imfinfo('output_image01.bmp');
ib=k.Width*k.Height*k.BitDepth/8;
cb=k.FileSize;
cr=ib/cb
if i change the values of 20 as 50 ,200,2000,i get same value please help

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提问:

kash
kash
2012-2-13

编辑：

Laura Pop
Laura Pop
2013-10-10

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