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Book Publication

Complexity Scalability in Motion-Compensated Wavelet-Based Video Coding

Host Publication: Advanced Concepts for Intelligent Vision Systems

Authors: T. Clerckx, A. Munteanu, J. Cornelis and P. Schelkens

Publication Date: Sep. 2006

Number of Pages: 13


Abstract:

Scalable wavelet-based video codecs based on motion-compensated temporal filtering (MCTF) require complexity scalability to cope with the growing heterogeneity of devices on which video has to be processed. The computational and memory complexity of two spatial domain (SD) MCTF and in-band (IB) MCTF video codec instantiations are examined in this paper. Comparisons in terms of complexity versus performance are presented for both types of codecs. Some of the tradeoffs between complexity and coding performance are analyzed and it is indicated how complexity scalability can be achieved in such videocodecs. Furthermore, a new approach is presented to obtain complexity scalability in IBMCTF video coding, by argeting the complexity of the complete-to-overcomplete discrete wavelet transform at the cost of a limited and controllable penalty on the overall coding performance.

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Prof. Dr. Ir. Adrian Munteanu

+32 (0)02 629 168

acmuntea@etrovub.be

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Prof. Dr. Ir. Peter Schelkens

+32 (0)02 629 168

pschelke@etrovub.be

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