Rate-distortion based video compression
optimal video frame compression and object boundary encoding
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Contributions
- Katsaggelos, Aggelos Konstantinos, 1956- - Contributor
Publication
1997 - Kluwer Academic Publishers, Boston, Massachusetts
Language
English
Word Count
72,000 words, Guess
Page Count
288 pages
Identifiers
- Open LibraryOL1008882M
- ISBN-100792398505
- OCLC Control Number35911037
- Library of Congress Control Number96048874
- Goodreads3114356
Classifications
- DDC621.388
- LCCTA1637 .S33 1997
Description
The book contains a review chapter on video compression, a background chapter on optimal bit allocation and the necessary mathematical tools, such as the Lagrangian multiplier method and Dynamic Programming. These two introductory chapters make the book self-contained and a fast way of entering this exciting field. Rate-Distortion Based Video Compression establishes a general theory for the optimal bit allocation among dependent quantizers. The minimum total (average) distortion and the minimum maximum distortion cases are discussed. This theory is then used to design efficient motion estimation schemes, video compression schemes and object boundary encoding schemes. For the motion estimation schemes, the theory is used to optimally trade the reduction of energy in the displaced frame difference (DFD) for the increase in the rate required to encode the displacement vector field (DVF). These optimal motion estimators are then used to formulate video compression schemes which achieve an optimal distribution of the available bit rate among DVF, DFD and segmentation. This optimal bit allocation results in very efficient video coders. In the last part of the book, the proposed theory is applied to the optimal encoding of object boundaries, where the bit rate needed to encode a given boundary is traded for the resulting geometrical distortion. Again, the resulting boundary encoding schemes are very efficient. Rate-Distortion Based Video Compression is ideally suited for anyone interested in this booming field of research and development, especially engineers who are concerned with the implementation and design of efficient video compression schemes. It also represents a foundation for future research, since all the key elements needed are collected and presented uniformly. Therefore, it is ideally suited for graduate students and researchers working in this field.
Subjects
Other Editions
- Rate-distortion based video compression
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