A CUDA implementation of thumbnail-assisted decoder motion search for error concealment

Wai-Tian Tan

doi:10.1117/12.840711

18 January 2010 A CUDA implementation of thumbnail-assisted decoder motion search for error concealment

Wai-Tian Tan

Proceedings Volume 7543, Visual Information Processing and Communication; 754307 (2010) https://doi.org/10.1117/12.840711
Event: IS&T/SPIE Electronic Imaging, 2010, San Jose, California, United States

Abstract

We describe the real-time CUDA implementation of an error concealment algorithm for high definition video at 720p. The concealment method is based on decoder motion search on high resolution frame, using a thumbnail as a guide, and is therefore comparable in complexity as encoder motion search. We discuss the different requirements for decoder motion search compared to encoder search, and present a fast motion search algorithm suitable for parallel implementation in GPU. The design of the real-time CUDA implementation and its performance analysis are also presented.

Citation Download Citation

Wai-Tian Tan "A CUDA implementation of thumbnail-assisted decoder motion search for error concealment", Proc. SPIE 7543, Visual Information Processing and Communication, 754307 (18 January 2010); https://doi.org/10.1117/12.840711

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