An extension of the reduced resolution update mode to complexity constrained spatial scalable video coding

Purvin Pandit; Alexis M. Tourapis; Peng Yin; Jill Boyce

doi:10.1117/12.633656

24 October 2005 An extension of the reduced resolution update mode to complexity constrained spatial scalable video coding

Purvin Pandit, Alexis M. Tourapis, Peng Yin, Jill Boyce

Author Affiliations +

Proceedings Volume 6015, Multimedia Systems and Applications VIII; 601508 (2005) https://doi.org/10.1117/12.633656
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

It is highly desirable for many broadcast video applications to be able to provide support for many diverse user devices, such as devices supporting different resolutions, without incurring the bitrate penalty of simulcast encoding. On the other hand, video decoding is a very complex operation, while the complexity is very dependent on the resolution of the coded video. Low power portable devices typically have very strict complexity restrictions and reduced-resolution displays. For such environments total bitrate efficiency of combined layers is an important requirement, but the bitrate efficiency of a lower layer individually, although desired, is not a requirement. In this paper, we propose a complexity constrained scalable system, based on the Reduced Resolution Update mode that enables low decoding complexity, while achieving better Rate-Distortion performance than an equivalent simulcast based system. Our system is targeted on broadcast environment with some terminals having very limited computational and power resources.

Citation Download Citation

Purvin Pandit, Alexis M. Tourapis, Peng Yin, and Jill Boyce "An extension of the reduced resolution update mode to complexity constrained spatial scalable video coding", Proc. SPIE 6015, Multimedia Systems and Applications VIII, 601508 (24 October 2005); https://doi.org/10.1117/12.633656

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