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Hi, Motion compensation is essenstially prediction. This is done so that both encoder and decoder have the same frame for prediction. This is called as closed loop DPCM. regards, ramkishor Architect - Video Codecs Multimedia Technologies Division Emuzed India Bangalore www.emuzed.com ----- Original Message ----- From: "Federico Sambilay" <> To: <> Sent: Monday, February 16, 2004 4:18 PM Subject: [imagedsp] MPEG-4 Motion Compensation > Hi! > > During MPEG Motion Compensation, why must the > "reconstructed" (the one that pass through DCT, > Quantization...) previous frame be used for prediction > instead of the "original" previous frame? > > Thanks! > > __________________________________ > > > _____________________________________ > Note: If you do a simple "reply" with your email client, only the author of this message will receive your answer. You need to do a "reply all" if you want your answer to be distributed to the entire group. > > _____________________________________ > About this discussion group: > > To Join: > > To Post: > > To Leave: > > Archives: http://www.yahoogroups.com/group/imagedsp > > More Groups: http://www.dsprelated.com > Yahoo! Groups Links > |