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http://dx.doi.org/10.5909/JBE.2007.12.3.250

Fast Intermode Decision for Scalable Video Coding using Statistical Hypothesis Testing  

Lee, Bum-Shik (Information and Communication University(ICU))
Hahm, Sang-Jin (Korea Broadcasting System(KBS))
Kim, Byung-Sun (Korea Broadcasting System(KBS))
Lee, Keun-Sik (Korea Broadcasting System(KBS))
Park, Keun-Soo (Korea Broadcasting System(KBS))
Kim, Mun-Churl (Information and Communication University(ICU))
Publication Information
Journal of Broadcast Engineering / v.12, no.3, 2007 , pp. 250-265 More about this Journal
Abstract
In this paper, a fast intermode decision scheme is introduced by efficiently performing the mode decision using statistical hypothesis testing for hierarchical B-picture coding of SVC, in which much computational power is expensed for combined variable block sizes and hierarchical B-pictures. The hypothesis testing in the proposed method is performed on $16{\times}16\;and\;8{\times}8$ blocks to have early termination for RD computation of all possible modes. The early termination in intermode decision is performed by comparing the pixel values of current blocks and corresponding motion-compensated blocks. The proposed scheme exhibits effective early termination behavior in intermode decision and leads to a significant reduction up to 69% in computational complexity with slight increment in bit amounts. The degradation of visual quality turns out to be negligible in terms of PSNR values.
Keywords
Scalable Video Coding; H.264; AVC; hypothesis testing; intermode decision;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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