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General Information
    • ISSN: 1793-8244
    • Frequency: Semiyearly
    • DOI: 10.18178/JACN
    • Editor-in-Chief: Dr. Ka Wai Gary Wong
    • Executive Editor: Ms. Nina Lee
    • Abstracting/ Indexing: EI (INSPEC, IET), Engineering & Technology Digital Library, DOAJ, Electronic Journals Library, Ulrich's Periodicals Directory, International Computer Science Digital Library (ICSDL), ProQuest, and Google Scholar.
    • E-mail: jacn@ejournal.net
Editor-in-chief
Dr. Ka Wai Gary Wong
Division of Information and Technology Studies, Faculty of Education, The University of Hong Kong.
It's a honor to serve as the editor-in-chief of JACN. I'll work together with the editors and reviewers to help the journal progress
JACN 2015 Vol.3(2): 162-166 ISSN: 1793-8244
DOI: 10.7763/JACN.2015.V3.160

Fast HEVC Intra Prediction Algorithm with Enhanced Intra Mode Grouping Based on Edge Detection in Transform Domain

Miso Park and Jechang Jeong
Abstract—High efficiency video coding (HEVC) is the next generation video coding standard which intended to provide not only substantially improved video quality with the same bit rate but also achieved compression ratio up to 50% compare to H.264/AVC. To accomplish data compression, HEVC adopted different coding tools such as coding tree unit (CTU), increased number of intra prediction modes, Sample Adaptive Offset (SAO) and so on. In this paper, we deal with intra prediction which has high computational complexity due to the number of prediction modes. To lessen computational load, proposed algorithm suggest two methods. Firstly, proposed algorithm converted each PU into transform domain to classify major directionality. Depend on directionality, classified intra mode group is provided as candidate modes. Secondly, we update intra mode group with certain conditions. Compared to HM 14.0, proposed algorithm provided more than 25% of encoding time reduction with insignificant coding efficiency loss.

Index Terms—Fast intra mode decision, HEVC, intra prediction, transform domain edge detection, video coding.

The authors are with the Department of Electronic and Computer Engineering, Hanyang University, Seoul, Korea (e-mail: misosmile1128@gmail.com, jjeong@hanyang.ac.kr).

[PDF]

Cite:Miso Park and Jechang Jeong, "Fast HEVC Intra Prediction Algorithm with Enhanced Intra Mode Grouping Based on Edge Detection in Transform Domain," Journal of Advances in Computer Networks vol. 3, no. 2, pp. 162-166, 2015.

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