Intra frame encoding using programmable graphics hardware

Authors:
M. C. Kung;Oscar Au;Peter Wong;Chun-Hung Liu
Affiliations:
Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology;Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology;Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology;Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology
Venue:
PCM'07 Proceedings of the multimedia 8th Pacific Rim conference on Advances in multimedia information processing
Year:
2007

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Abstract

In this paper, we propose a parallel algorithm for H.264/AVC intra frame encoding by using the graphics processing unit (GPU). The proposed algorithm can handle 4×4 intra block prediction and reconstruction. By rearranging the encoding order of 4×4 blocks and modifying the architecture of H.264/AVC encoder, thirty times speed up can be achieved which utilizing the computing power of GPU without any loss in coding efficiency.