NDLI: Overview of Low-Complexity Video Transcoding from H.263 to H.264

Content Provider	IEEE Xplore Digital Library
Author	Bialkowski, J. Barkowsky, M. Kaup, A.
Copyright Year	2006
Description	Author affiliation: Chair of Multimedia Commun. & Signal Process., Erlangen-Nuremberg Univ., Erlangen (Bialkowski, J.; Barkowsky, M.; Kaup, A.)
Abstract	With the standardization of H.264/AVC by ITU-T and ISO/IEC and the adaptatation into new hardware, the necessity of transcoding between existing standards and H.264 will arise to achieve interoperability between hardware devices. Because of the many new prediction parameters as well as the pixel-based deblocking filter and the new transform of H.264 this is a difficult task to perform. In our work we propose a fast cascaded pixel-domain transcoder from H.263 to H.264 for both intra- and inter-frame coding. The rate-distortion (RD) performance of the encoded bitstreams is compared to an exhaustive full-search approach. Our approach leads to 9% higher data rate in average, but the computational complexity for the prediction can be reduced by 90% and more. It will be shown that the algorithms proposed for H.263 are applicable for transcoding MPEG-2 to H.264, too
Starting Page	49
Ending Page	52
File Size	190892
Page Count	4
File Format	PDF
ISBN	1424403667
DOI	10.1109/ICME.2006.262547
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-09
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transcoding Discrete cosine transforms Standardization Nonlinear filters ISO standards IEC standards Hardware Rate-distortion Video compression Motion compensation
Content Type	Text
Resource Type	Article

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