error in finding compression ratio

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

1 comentario

Jan
Jan el 13 de Feb. de 2012
You forgot to ask a question.

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La pregunta está cerrada.

Preguntada:

el 13 de Feb. de 2012

Editada:

el 10 de Oct. de 2013

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