mpeg family
Post on 09-Jul-2015
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MPEG family-MPEG-1-MPEG-2-MPEG-4-MPEG-7-MPEG-21& comparison
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DCT-remove the intraframe redundancy Motion compensation-remove the interframe redundancy
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(1)(2)(3)(4)
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(1)DCT(2)(3)(4)zigzagzeroEx.(3)zigzag-34,0,1,0,-1,1,0,0,0,0,0,0,-1=>(34),(1,1),(1,-1),(0,1),(6,-1)
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frameframeframe
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MPEG-135024030 ISO/IEC1990MPEG-2
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(scalability
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:(Base layer video)Enhancement layer video
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Content-based coding
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MPEG7 1998102001
MPEG7
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MPEG-21Scalable Video Coding; SVCUMAPart 13: Scalable Video Coding
SNR / temporal / spatial / complexity / region-of-interest / object-basedcombined scalabilitygraceful degradationbase-layer interlaced video
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20033MPEGDCT-based interframe wavelet-based DCT-based FGSMPEG-4 streaming profilewaveletDCT-based FGSRPI Prof. Woods MC-EZBC interframe wavelet waveletwavelet-based FGS MPEG-21 SVC
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Mpeg-1Mpeg-2Mpeg-4
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