How is this different from what jpeg does

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Reference no: EM131045646

Write a program that implements forward and backward DCT, using floatingpoint 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?

Reference no: EM131045646

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