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Efficient side information generation using assistant pixels for distributed video coding

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4 Author(s)
Sang-Uk Park ; Sch. of Electr. Eng., Seoul Nat. Univ., Seoul, South Korea ; Young-Yoon Lee ; Chang-Su Kim ; Sang-Uk Lee

A side information generation method using assistant pixels is proposed for distributed video coding (DVC) in this work. To generate higher quality side information frames and improve the rate-distortion (R-D) performance of a DVC system, we propose transmitting assistant pixels, which help to improve the motion estimation accuracy of the decoder at the cost of an overhead bit-rate. Also, we develop a mode decision scheme, which determines the interpolation mode for each block by combining forward and backward motion vectors. Simulation results demonstrate that the proposed algorithm provides better R-D performance than the state-of-the-art DVC algorithm.

Published in:

Picture Coding Symposium (PCS), 2012

Date of Conference:

7-9 May 2012