Fast Intermode Selection for HEVC Video Coding Using Phase Correlation

Pallab Podder, Manoranjan Paul, Manzur Murshed, Subrata Chakraborty

Research output: Book chapter/Published conference paperConference paper

Abstract

The recent High Efficiency Video Coding (HEVC) Standard demonstrates higher rate-distortion (RD) performance compared to its predecessor H.264/AVC using different new tools especially larger and asymmetric inter-mode variable size motion estimation and compensation. This requires more than 4 times computational time compared to H.264/AVC. As a result it has always been a big concern for the researchers to reduce the amount of time while maintaining the standard quality of the video. The reduction of computational time by smart selection of the appropriate modes in HEVC is our motivation. To accomplish this task in this paper, we use phase correlation to approximate the motion information between current and reference blocks by comparing with a number of different binary pattern templates and then select a subset of motion estimation modes without exhaustively exploring all possible modes. The experimental results exhibit that the proposed HEVC-PC (HEVC with Phase Correlation) scheme outperforms the standard HEVC scheme in terms of computational time while preserving-the same quality of the video sequences. More specifically, around 40% encoding time is reduced compared to the exhaustive mode selection in HEVC.
Original languageEnglish
Title of host publicationProceedings of the 2014 International Conference on Digital Image Computing: Techniques and Applications
Place of PublicationUnited States
PublisherIEEE, Institute of Electrical and Electronics Engineers
Pages1-8
Number of pages8
ISBN (Electronic)9781479954094
DOIs
Publication statusPublished - 2014
Event2014 International Conference on Digital Image Computing: Techniques and Applications (DICTA) - Novotel Wollongong Northbeach Hotel, Wollongong, Australia
Duration: 25 Nov 201427 Nov 2014
https://ssl.informatics.uow.edu.au/dicta2014/

Conference

Conference2014 International Conference on Digital Image Computing: Techniques and Applications (DICTA)
CountryAustralia
CityWollongong
Period25/11/1427/11/14
OtherThe International Conference on Digital Image Computing: Techniques and Applications (DICTA) is an International Conference on computer vision, image processing, pattern recognition, and related areas. DICTA was established as a biennial conference in 1991 and became an annual event in 2007. It is the premier conference of the Australian Pattern Recognition Society (APRS).
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    Podder, P., Paul, M., Murshed, M., & Chakraborty, S. (2014). Fast Intermode Selection for HEVC Video Coding Using Phase Correlation. In Proceedings of the 2014 International Conference on Digital Image Computing: Techniques and Applications (pp. 1-8). IEEE, Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/DICTA.2014.7008109