Question: Write Matlab programs to: a) Down-sample an image by a factor of 2, with and without using the 2-by-2 averaging filter; b) Up-sample the previously

Write Matlab programs to: a) Down-sample an image by a factor of 2, with and without using the 2-by-2 averaging filter; b) Up-sample the previously down-sampled images by a factor of 2, using the nearest neighbor (pixel replication) and bi- linear interpolations, respectively. Comment on the results you get.

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