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학술지 An SAD-Based Selective Bi-Prediction Method for Fast Motion Estimation in High Efficiency Video Coding
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저자
김종호, 전동산, 정세윤, 조숙희, 최진수, 김진웅, 안치득
발행일
201212
출처
ETRI Journal, v.34 no.5, pp.753-758
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.12.0112.0186
협약과제
11PR3700, 지상파 양안식 3DTV 방송시스템 기술개발 및 표준화, 허남호
초록
As the next-generation video coding standard, High Efficiency Video Coding (HEVC) has adopted advanced coding tools despite the increase in computational complexity. In this paper, we propose a selective bi-prediction method to reduce the encoding complexity of HEVC. The proposed method evaluates the statistical property of the sum of absolute differences in the motion estimation process and determines whether bi-prediction is performed. A performance comparison of the complexity reduction is provided to show the effectiveness of the proposed method compared to the HEVC test model version 4.0. On average, 50% of the bi-prediction time can be reduced by the proposed method, while maintaining a negligible bit increment and a minimal loss of image quality. © 2012 ETRI.
KSP 제안 키워드
Bi-Prediction, Coding Tools, Computational complexity, Encoding complexity, Fast motion estimation, HEVC Test Model(HM), Image quality, Motion estimation(ME), Next-generation, Performance comparison, Prediction Time