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Improved packetization of motion parameters for error resilient transmission of wavelet video

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4 Author(s)
Biswas, M. ; Sch. of Inf. Technol. & Electr. Eng., Univ. of New South Wales, Canberra, ACT, Australia ; Frater, M.R. ; Pickering, M.R. ; Arnold, J.F.

Resilient delivery of the motion parameters is critical in video transmission over unreliable networks. Several previous approaches to motion compensated wavelet video coding have failed to achieve good video quality due to the absence of a resilient transmission method for the motion vectors (MV). A codec employing a wavelet transform with no motion compensation is also not attractive, since it suffers from poor compression performance. This paper therefore investigates packetization methods for the motion parameters. A multiple description (MD) codec is used to encode the video for lossy networks. The motion packetization techniques are incorporated in the MD framework. We compare the performance of the investigated techniques in both lossless and lossy networks and conclude by proposing the best packet structure for motion transmission. Our proposed approach provides better performance than a recently proposed MD variant of H.264.

Published in:

Picture Coding Symposium, 2009. PCS 2009

Date of Conference:

6-8 May 2009

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