hw2 - smaller block(eg. 4*4) when using JPEG compression. ....

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CIS 6930 Distributed Multimedia Systems, Fall 2011 Assignment 2 Out: Wed. Oct. 5 Due: Beginning of the lecture on Wed. Oct. 12 • The problem sets form an important part of the learning in this course. Thus you are required to do them in order to pass. • Try to be as clear and precise as possible in your presentation. It is recommended that you type the answers. • No late assignments are accepted !! Prob.1 Try to analyze, instead of using 8*8 DCT block, what will happen if we use a bigger(eg. 64*64) or
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Unformatted text preview: smaller block(eg. 4*4) when using JPEG compression. . Prob.2 Try to analyze the influence to the image if we increase or decrease the quantizer scale factor when using JPEG compression. Prob.3 Use Matlab function imwrite compress 3 BMP images. Calculate the JPEG compression ratios. (No need of source code; but you should tell me the parameters value s that you specify) Prob.4 Briefly describe the frame types of MPEG....
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hw2 - smaller block(eg. 4*4) when using JPEG compression. ....

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