Question: 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

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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Firstly lets write the Python code for forward and backward Discrete Cosine Transform DCT using floatingpoint arithmetic python import numpy as np imp... View full answer

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