NDLI: Fast HEVC intra prediction mode decision based on EDGE direction information

Content Provider	IEEE Xplore Digital Library
Author	da Silva, T.L. Agostini, L.V. da Silva Cruz, L.A.
Copyright Year	2012
Description	Author affiliation: Instituto de Telecomunicações - Coimbra, Portugal (da Silva, T.L.; da Silva Cruz, L.A.) \|\| Group of Architectures and Integrated Circuits - Federal University of Pelotas, Brazil (Agostini, L.V.)
Abstract	The High Efficiency Video Coding (HEVC) is an emerging standard that achieves higher encoding efficiency when compared to previous standards such as H.264/AVC. One key contributor to this improvement is the new intra prediction method that supports a large number of prediction directions at a cost of very high computational complexity. This paper presents a fast intra prediction mode decision algorithm, which instead of taking into account only the modes of the neighbor PUs (prediction units) uses edge information of the current PU to choose a reduced set of directions from which the best prediction mode (direction) is finally selected. The proposed method provides a decrease of up to 32.08% in the HEVC intra prediction processing time, with a little increase in the bit-rate (0.9% on average) and a negligible reduction in PSNR values.
Starting Page	1214
Ending Page	1218
File Size	244676
Page Count	5
File Format	PDF
ISBN	9781467310680
ISSN	20761465
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-27
Publisher Place	Romania
Access Restriction	Subscribed
Rights Holder	EURASIP
Subject Keyword	Video coding Algorithm design and analysis PSNR Intra prediction Edge computation Prediction algorithms Encoding HEVC Complexity reduction Computational complexity Standards
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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