By Sergios Theodoridis, Rama Chellappa
This 5th quantity, edited and authored by way of global prime specialists, provides a assessment of the rules, equipment and strategies of significant and rising learn subject matters and applied sciences in photo and video compression and multimedia.
With this reference resource you will:
- Quickly snatch a brand new sector of study
- Understand the underlying rules of a subject matter and its application
- Ascertain how a subject matter pertains to different parts and study of the examine concerns but to be resolved
- Quick educational experiences of vital and rising themes of study in photograph and Video Compression and Multimedia
- Comprehensive references to magazine articles and different literature on which to construct additional, extra particular and certain knowledge
- Edited by means of leading people in the sector who, via their popularity, were capable of fee specialists to put in writing on a specific topic
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Extra info for Academic Press Library in Signal Processing, Volume 5: Image and Video Compression and Multimedia
A forward decorrelating transform is performed on the input frame which is then quantized according to the prevailing rate-distortion criteria: Ck = Q(DCT(Ek )). 3. The transformed frame is then entropy coded and transmitted to the channel. 8 The block-based motion-compensated video encoder. 4. Ck is then inverse quantized and inverse DCT’d to produce the same decoded frame pixel values as at the decoder: Ek = DCT−1 (Q −1 (Ck )). 5. The reference memory is finally updated with the reconstructed frame: Sk = Ek .
In recent years, most ventures have benefited from close collaborative working. 120, in 1984. 10 The scope of standardization. 11 A chronology of video coding standards from 1990 to the present date. for 625/50 and 525/60 TV systems respectively. This standard was never a commercial success. 261  followed this in 1989 with a codec based on a p × 64 kbps ( p = 1 · · · 30) targetted at ISDN conferencing applications. This was the first block-based hybrid compression algorithm using a combination of transformation (the Discrete Cosine Transform (DCT)), temporal Differential Pulse Code Modulation (DPCM), and motion compensation.
Dev. 20 (1976) 198–203.  A. Said, Introduction to arithmetic coding – theory and practice, in: K. ), Lossless Compression Handbook, Academic Press, 2003.  Int. Telecommun. Union-Telecommun. 261, Video Codec for Audiovisual Services at p × 64 kbit/s, Version 1, 1990; Version 2, 1993.  ITU-T and ISO/IEC JTC 1, Generic Coding of Moving Pictures and Associated Audio Information – Part 2: Video, ITU-T Rec. 262 and ISO/IEC 13818-2 (MPEG-2 Video), Version 1, 1994.  ITU-T, Video Coding for Low Bitrate Communication, ITU-T Rec.