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Low-delay unconstrained motion compensated temporal filtering technique for wavelet-based fully scalable video coding

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1 Author(s)
Woo-Jin Han ; DM R&D Center, Samsung Electron., South Korea

Among many technologies used in wavelet-based scalable video coders, motion compensated temporal filtering (MCTF) is a key technology for both reducing temporal redundancy and providing flexible temporally scalable architecture. However, since its non-flexible temporal pyramid structure introduces a large end-to-end delay of a size of GOP, it is very difficult to use scalable coding technology for many applications that require low end-to-end delay. In this paper, we propose a low-delay unconstrained motion compensated temporal filtering (LD-UMCTF) scheme. Our method focuses to control the end-to-end delay in a unified framework as well as have most useful features of predictive coders, such as multiple reference frame and bi-directional prediction. Experimental results show that the proposed method can provide comparable coding efficiency and has significantly smaller performance degradation compared to the conventional MCTF.

Published in:

Multimedia Signal Processing, 2004 IEEE 6th Workshop on

Date of Conference:

29 Sept.-1 Oct. 2004