NDLI: Rate Distortion Optimization of H.264 with Main Profile Compatibility

Content Provider	IEEE Xplore Digital Library
Author	En-hui Yang Xiang Yu
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont. (En-hui Yang; Xiang Yu)
Abstract	Using soft decision quantization rather than the conventional hard decision quantization, this paper studies a joint rate distortion design of motion prediction, quantization and entropy coding for the H.264 main profile encoding. Specifically, a soft decision quantization algorithm is proposed based on the context adaptive binary arithmetic coding method in H.264. The proposed algorithm is proved to achieve optimal soft decision quantization for a block with given motion prediction and quantization step size in the sense of minimizing the true rate distortion cost. It is then used in jointly designing motion prediction and residual coding for H.264 main profile coding. Experiments have been conducted based on the reference encoder JM82 of H.264. Comparative studies show that the proposed joint design method achieves an average 10% rate reduction while maintaining the same quality over the rate distortion method in the reference software of H.264
Starting Page	282
Ending Page	286
File Size	594888
Page Count	5
File Format	PDF
ISBN	142440505X
DOI	10.1109/ISIT.2006.261850
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-07-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rate-distortion Quantization Entropy coding Encoding Video compression Arithmetic Design optimization Decoding Cost function Design methodology
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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