HEVC CU 깊이 히스토리 기반 적응적 조기 종료 알고리즘
Adaptive Early Termination Algorithm Using Coding Unit Depth History in HEVC
- 주제(키워드) HEVC , fast encoding , video compression
- 발행기관 아주대학교
- 지도교수 선우명훈
- 발행년도 2017
- 학위수여년월 2017. 2
- 학위명 석사
- 학과 및 전공 일반대학원 전자공학과
- 실제URI http://www.dcollection.net/handler/ajou/000000024198
- 본문언어 영어
- 저작권 아주대학교 논문은 저작권에 의해 보호받습니다.
초록/요약
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).
more목차
Abstract
List of Figures
List of Tables
List of Abbreviations
I. Introduction 1
II. Related Works on Fast Encoding Algorithm 4
III. Proposed Adaptive CU Depth Decision 7
IV. Experimental Results 20
V. Conclusion 26
Bibliography 27
