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HEVC CU 깊이 히스토리 기반 적응적 조기 종료 알고리즘
- Alternative Title
- JONGHYUN BAE
- Author(s)
- 배종현
- Alternative Author(s)
- JONGHYUN BAE
- Advisor
- 선우명훈
- Department
- 일반대학원 전자공학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2017-02
- Language
- eng
- Keyword
- HEVC; fast encoding; video compression
- Alternative Abstract
- This thesis proposes an adaptive early termination algorithm using a coding unit (CU) depth history (AECH). The proposed algorithm uses the temporal correlation of colocated coding tree units (CTUs). AECH traces a CU depth history and calculates the mean and standard deviation of the history. Then, the target CU depth range is adaptively chosen, which is defined by the standard deviation from the mean. The proposed algorithm can skip the CU depths, which are out of range. Hence, it can significantly reduce the computational complexity. AECH shows time saving performances of 41.33% (low delay B) and 40.44% (low delay P) compared to the high efficiency video coding (HEVC) test model (HM) 12.0 version. In addition, the proposed algorithm increments Bjontegaard delta bitrate only about 1.09% (low delay B) and 1.22% (low delay P).
- Fulltext
- Appears in Collections:
- Graduate School of Ajou University > Department of Electronic Engineering > 3. Theses(Master)
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