NDLI: A novel fast intra mode decision algorithm using histogram for H.264 video coding

Content Provider	IEEE Xplore Digital Library
Author	Yingzhe Liu Jinxiang Wang Fangfa Fu
Copyright Year	2012
Description	Author affiliation: Microelectronics Center, Harbin Institute of Technology, 150001, China (Yingzhe Liu; Jinxiang Wang; Fangfa Fu)
Abstract	In order to achieve compression efficiency, the rate distortion cost (RDO) technique and full checking strategy are used to select the optimal intra prediction mode in the latest video coding standard H.264/AVC. As a result, the computational complexity increases drastically. In this paper, a novel fast mode decision algorithm for intra prediction is proposed to improve the coding efficiency. In this algorithm, the histogram of each prediction mode is directly calculated based on the relationship between the pixels and coding modes. Then, the several most possible coding modes are selected from all prediction modes by using histogram. Compared with full search algorithm, the proposed algorithm can reduce 77% coding time on average, with a slight peak signal-to-noise ratio loss of 0.08 dB, a bit rate increment of 4.3%. Furthermore, performance comparison is also given to show the improvement of the proposed algorithm over two methods in the previous literature.
Starting Page	1158
Ending Page	1162
File Size	460889
Page Count	5
File Format	PDF
ISBN	9781467314848
ISSN	2160133X
e-ISBN	9781467314879
DOI	10.1109/ICMLC.2012.6359519
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Abstracts Mobile communication coding efficiency H.264 intra prediction mode decision histogram
Content Type	Text
Resource Type	Article

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