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Fast Intra Mode Decision Algorithm for H264/AVC HD Baseline Profile Encoder

by Nejmeddine Bahri, Imen Werda, Amine Samet, Mohamed Ali Ben Ayed, Nouri Masmoudi
journal cover thumbnail

International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 37 - Number 6
Year of Publication: 2012
Authors: Nejmeddine Bahri, Imen Werda, Amine Samet, Mohamed Ali Ben Ayed, Nouri Masmoudi
10.5120/4610-6601

Nejmeddine Bahri, Imen Werda, Amine Samet, Mohamed Ali Ben Ayed, Nouri Masmoudi . Fast Intra Mode Decision Algorithm for H264/AVC HD Baseline Profile Encoder. International Journal of Computer Applications. 37, 6 ( January 2012), 8-13. DOI=10.5120/4610-6601

@article{ 10.5120/4610-6601,
author = { Nejmeddine Bahri, Imen Werda, Amine Samet, Mohamed Ali Ben Ayed, Nouri Masmoudi },
title = { Fast Intra Mode Decision Algorithm for H264/AVC HD Baseline Profile Encoder },
journal = { International Journal of Computer Applications },
issue_date = { January 2012 },
volume = { 37 },
number = { 6 },
month = { January },
year = { 2012 },
issn = { 0975-8887 },
pages = { 8-13 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume37/number6/4610-6601/ },
doi = { 10.5120/4610-6601 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:23:35.589586+05:30
%A Nejmeddine Bahri
%A Imen Werda
%A Amine Samet
%A Mohamed Ali Ben Ayed
%A Nouri Masmoudi
%T Fast Intra Mode Decision Algorithm for H264/AVC HD Baseline Profile Encoder
%J International Journal of Computer Applications
%@ 0975-8887
%V 37
%N 6
%P 8-13
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

The high performance of H.264/AVC video encoder is accompanied with a wide computation complexity especially for high definition (HD) video sequences. One of the major H.264/AVC features to be optimized is the mode decision for both inter and intra prediction. Thus, based on high correlation observed between selected inter prediction mode and intra mode decision, a fast intra mode decision algorithm based on the best inter prediction mode for H264 high definition (HD) baseline profile encoder is proposed. The evaluation of the proposed approach was based on the rate distortion and PSNR variation, execution time and percentage of skipping intra4x4 and intra16x16. The proposed scheme is performed on 720p (1280x720) and 1080p (1920x1088) HD video sequences. Experimental results show that the proposed algorithm can save up to 60% of intra prediction computation time, 16% of skipping intra16x16 and up to 83% for intra4x4 without inducing PSNR degradation and bit-rate increase.

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Index Terms

Computer Science
Information Sciences

Keywords

H264/AVC Fast intra mode decision High definition baseline profile.

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