한국방송∙미디어공학회:학술대회논문집 (Proceedings of the Korean Society of Broadcast Engineers Conference)
- 한국방송∙미디어공학회 2019년도 하계학술대회
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- Pages.114-115
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- 2019
HEVC 영상압축을 위한 적응적 스칼라 양자화
Adaptive Scalar Quantization for HEVC Video Coding
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- 전병우 (성균관대학교)
- Xu, Motong (Sungkyunkwan University) ;
- Jeon, Byeungwoo (Sungkyunkwan University)
- 발행 : 2019.06.19
초록
This paper introduces an adaptive scalar quantization scheme for video coding technology. The method utilizes the property of the coefficient groups (CG) inside each transform block so that the dead-zone interval of the scalar quantizer is adaptively set up for different CGs. Its experimental results show that our proposed quantization scheme can achieve BDBR reduction of 4.75%, 5.93, and 5.16% for Y, Cb, and Cr channel respectively when encoding with HEVC.
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