how to reduce the pixel size of two image?

i am doing 2d to 3d imaging project here i am using two images left and right so 1st i want reduce the two images in equal size 0r compress the two images eg the 2 images are 64cross64 means i want to reduce the images as 4cross 4 or 16cross16 by using block matrix so please help me for that one

Asked:

on 25 Feb 2014

Answered:

on 25 Feb 2014

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