Mpeg family
15
Transcript of Mpeg family
-
MPEG family-MPEG-1-MPEG-2-MPEG-4-MPEG-7-MPEG-21& comparison
-
DCT-remove the intraframe redundancy Motion compensation-remove the interframe redundancy
-
(1)(2)(3)(4)
-
(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)
-
frameframeframe
-
MPEG-135024030 ISO/IEC1990MPEG-2
-
(scalability
-
:(Base layer video)Enhancement layer video
-
Content-based coding
-
MPEG7 1998102001
MPEG7
-
MPEG-21Scalable Video Coding; SVCUMAPart 13: Scalable Video Coding
SNR / temporal / spatial / complexity / region-of-interest / object-basedcombined scalabilitygraceful degradationbase-layer interlaced video
-
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
-
Mpeg-1Mpeg-2Mpeg-4
