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http://dx.doi.org/10.5392/JKCA.2010.10.4.028

Fast Reference Frame Selection Algorithm Based on Motion Vector Reference Map  

Lee, Kyung-Hee (충북대학교 전자공학과)
Ko, Man-Geun (충북대학교 전자공학과)
Seo, Bo-Seok (충북대학교 전자공학과)
Suh, Jae-Won (충북대학교 전자공학과)
Publication Information
The Journal of the Korea Contents Association / v.10, no.4, 2010 , pp. 28-35 More about this Journal
Abstract
The variable block size motion estimation (ME) and compensation (MC) using multiple reference frames is adopted in H.264/AVC to improve coding efficiency. However, the computational complexity for ME/MC increases proportional to the number of reference frames and variable blocks. In this paper, we propose a new efficient reference frame selection algorithm to reduce the complexity while keeping the visual quality. First, a motion vector reference map is constructed by SAD of $4{\times}4$ block unit for multi reference frames. Next, the variable block size motion estimation and motion compensation is performed according to the motion vector reference map. The computer simulation results show that the average loss of BDPSNR is -0.01dB, the increment of BDBR is 0.27%, and the encoding time is reduced by 38% compared with the original method for H.264/AVC.
Keywords
H.264/AVC; Fast Reference Frame Selection; Motion Vector Reference Map; Encoding Time;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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