Low complexity fractional motion estimation with adaptive mode selection for H.264/AVC

Chih Chuan Yang; Kheng Joo Tan; Yao Chang Yang; Jiun-In  Guo

doi:10.1109/ICME.2010.5582926

Low complexity fractional motion estimation with adaptive mode selection for H.264/AVC

Chih Chuan Yang^*, Kheng Joo Tan, Yao Chang Yang, Jiun-In Guo

^*Corresponding author for this work

Institute of Electronics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

8 Scopus citations

Abstract

Fractional motion estimation (FME) searches subpixels for blocks of various sizes to find out the best matching candidate, which improves the compression efficiency but leads to high computational complexity. In this paper, we propose a low complexity FME design supporting adaptive mode selection (AMS). Exploiting both the mode correlation among neighboring macroblocks and integer motion estimation result, we can select FME modes adaptively to reduce complexity with good video quality. The simulation result shows that the average number of processing modes in FME is reduced to be 2 for HD1080 video instead of processing 7 modes in JM reference software. With tiny PSNR drop (∼0.026dB), the proposed design achieves 71% reduction in computational complexity when compared to JM14.2. At operating frequency of 300MHz, the proposed design could support the real-time processing for H.264 videos with resolution up to 4K × 2K.

Original language	English
Title of host publication	2010 IEEE International Conference on Multimedia and Expo, ICME 2010
Pages	673-678
Number of pages	6
DOIs	https://doi.org/10.1109/ICME.2010.5582926
State	Published - 22 Nov 2010
Event	2010 IEEE International Conference on Multimedia and Expo, ICME 2010 - Singapore, Singapore Duration: 19 Jul 2010 → 23 Jul 2010

Publication series

Name	2010 IEEE International Conference on Multimedia and Expo, ICME 2010

Conference

Conference	2010 IEEE International Conference on Multimedia and Expo, ICME 2010
Country	Singapore
City	Singapore
Period	19/07/10 → 23/07/10

Keywords

Fractional motion estimation
H.264/AVC
Mode selection

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10.1109/ICME.2010.5582926

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Cite this

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title = "Low complexity fractional motion estimation with adaptive mode selection for H.264/AVC",

abstract = "Fractional motion estimation (FME) searches subpixels for blocks of various sizes to find out the best matching candidate, which improves the compression efficiency but leads to high computational complexity. In this paper, we propose a low complexity FME design supporting adaptive mode selection (AMS). Exploiting both the mode correlation among neighboring macroblocks and integer motion estimation result, we can select FME modes adaptively to reduce complexity with good video quality. The simulation result shows that the average number of processing modes in FME is reduced to be 2 for HD1080 video instead of processing 7 modes in JM reference software. With tiny PSNR drop (∼0.026dB), the proposed design achieves 71% reduction in computational complexity when compared to JM14.2. At operating frequency of 300MHz, the proposed design could support the real-time processing for H.264 videos with resolution up to 4K × 2K.",

keywords = "Fractional motion estimation, H.264/AVC, Mode selection",

author = "Yang, {Chih Chuan} and Tan, {Kheng Joo} and Yang, {Yao Chang} and Jiun-In Guo",

year = "2010",

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day = "22",

doi = "10.1109/ICME.2010.5582926",

language = "English",

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booktitle = "2010 IEEE International Conference on Multimedia and Expo, ICME 2010",

note = "null ; Conference date: 19-07-2010 Through 23-07-2010",

}

Yang, CC, Tan, KJ, Yang, YC & Guo, J-I 2010, Low complexity fractional motion estimation with adaptive mode selection for H.264/AVC. in 2010 IEEE International Conference on Multimedia and Expo, ICME 2010., 5582926, 2010 IEEE International Conference on Multimedia and Expo, ICME 2010, pp. 673-678, 2010 IEEE International Conference on Multimedia and Expo, ICME 2010, Singapore, Singapore, 19/07/10. https://doi.org/10.1109/ICME.2010.5582926

Low complexity fractional motion estimation with adaptive mode selection for H.264/AVC. / Yang, Chih Chuan; Tan, Kheng Joo; Yang, Yao Chang; Guo, Jiun-In .

2010 IEEE International Conference on Multimedia and Expo, ICME 2010. 2010. p. 673-678 5582926 (2010 IEEE International Conference on Multimedia and Expo, ICME 2010).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - Fractional motion estimation (FME) searches subpixels for blocks of various sizes to find out the best matching candidate, which improves the compression efficiency but leads to high computational complexity. In this paper, we propose a low complexity FME design supporting adaptive mode selection (AMS). Exploiting both the mode correlation among neighboring macroblocks and integer motion estimation result, we can select FME modes adaptively to reduce complexity with good video quality. The simulation result shows that the average number of processing modes in FME is reduced to be 2 for HD1080 video instead of processing 7 modes in JM reference software. With tiny PSNR drop (∼0.026dB), the proposed design achieves 71% reduction in computational complexity when compared to JM14.2. At operating frequency of 300MHz, the proposed design could support the real-time processing for H.264 videos with resolution up to 4K × 2K.

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