Description: Write MATLAB function to zoom a grayscale image from original size to the given output
size through two different methods: a) pixel repetition and b) bilinear interpolation.
Zoom the images processed in the Task 2 back to the original size using above mentioned
methods.
Calculate MSE and PSNR for the original and zoomed images using MATLAB methods
written for the Task 1. Plot the MSE and PSNR as function of the size reduction ratio
respectively.
Define what combination of shrink/zoom methods provides the minimal MSE and maximal
PSNR for the same size reduction ratio.
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