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MathGroup Archive 2009

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How to downsample a image matrix using left and right downsampling

  • To: mathgroup at smc.vnet.net
  • Subject: [mg100864] How to downsample a image matrix using left and right downsampling
  • From: tenveer <ten.veer at gmail.com>
  • Date: Tue, 16 Jun 2009 21:53:43 -0400 (EDT)

HI all

i am just stuck with a unique problem ...

What i want is to downsample a matrix (image matrix) using two left
and right matrices....
e.g if i have a 100 by 100 image matrix X what i want is to downsample
X to 25 by 25 matrix Y using two downsampling matrices U and V which
are on left and right respectively i.e Y=U*X*V

than what will the contents of the U and V matrices.

Any help will be appreciated




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