Mr. Balamuralii Balasubramaniyam Profile

Balamuralii Balasubramaniyam

at Loughborough Univ

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Proceedings Article | 22 March 2005 Paper

An extended H.264 CODEC for stereoscopic video coding

Balamuralii Balasubramaniyam, Eran Edirisinghe, Helmut Bez

Proceedings Volume 5664, (2005) https://doi.org/10.1117/12.587583

KEYWORDS: Video, Video coding, Computer programming, Standards development, Video surveillance, Motion estimation, Video compression, Cameras, Image compression, Telecommunications

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We propose an extension to the H.264 video coding standard, which is capable of efficiently coding stereoscopic video sequences. In contrast to previous techniques, the proposed Stereoscopic Video CODEC uses a single modified H.264 encoder and a single modified H.264 decoder in its design. The left (reference) and right (predicted) sequences are fed alternatively to the encoder. The modified H.264 encoder uses a Decoded Picture Buffer Store (DPBS) in addition to the regular DPB of the original H.264 encoder. An effective buffer management strategy between DPBS and DPB is used so that the left sequence frames are coded only based on its previously coded frames while the right frames are coded based on previously coded frames from both left and right sequences. We show that the proposed CODEC has the capability of exploiting worldline correlation present in stereo video sequences, in addition to the exploitation of joint spatial-temporal-binocular correlation. Further we show that the coded bit stream fully conforms to a standard H.264 bit-stream and a standard H.264 decoder will be able to effectively decode the left video stream ignoring the right. We provide experimental results on two popular test stereoscopic video sequences to prove the efficiency of the proposed CODEC

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