Write a program that implements forward and backward DCT using floating-point arithmetic. Run the program on a
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Write a program that implements forward and backward DCT using floating-point arithmetic. Run the program on a sample grayscale image. Since DCT is lossless, the image output by the program should match the input. Now modify your program so that it zeroes some of the higher-frequency components and see how the output image is affected. How is this different from what JPEG does?
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Related Book For 
Computer Networks A Systems Approach
ISBN: 9780128182000
6th Edition
Authors: Larry L. Peterson, Bruce S. Davie
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