Content Based Hierarchical Fast Coding Unit Decision Algorithm for HEVC

Leng, Jie; Sun, Lei; Ikenaga, Takeshi; Sakaida, Shinichi

doi:10.1109/cmsp.2011.167

Cited by 100 publications

(38 citation statements)

References 2 publications

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“…An early detection of SKIP mode was proposed in [5] by checking the differential motion vector (MV) and the coded block flag (CBF). A fast coding unit decision algorithm in either frame level or coding unit level to accelerate encoding procedure is introduced in [6] by J. Leng et al The proposed algorithm provides on average 45% reduction in total encoding time. A fast CU size decision method based on improved Bayesian classification framework is shown in [7], whose total encoding time was reduced to 54.7% of HM 10.0.…”

Section: Introductionmentioning

confidence: 99%

Fast HEVC Coding Unit Decision Based On BP-Neural Network

Yang

Wang

2015

IJGDC

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Section: Introductionmentioning

confidence: 99%

Fast HEVC Coding Unit Decision Based On BP-Neural Network

Yang

Wang

2015

IJGDC

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“…이 기술은 HEVC의 참조 소프트 웨어에 early skip decision(ESD)라는 이름으로 채택되어 있다. [9]에서는 주변에 위치한 블록들의 분할 정보를 활용 하여 현재 블록의 분할 가능한 범위를 제한하였으며, [10] 에서는 Bayesian decision rule을 이용하여 최적 CU의 크기 를 결정하는 방법을 적용하였다.…”

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Early Decision of Inter-prediction Modes in HEVC Encoder

한¹,

안²,

이³

2015

Journal of Broadcast Engineering

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HEVC can increase the coding efficiency significantly compared with H.264/AVC however it requires much larger computational complexities in both encoder and decoder. In this paper, the decision process of inter-prediction modes in the HEVC reference software has been studied and a fast algorithm to reduce the computational complexity of encoder and decoder is introduced. The proposed scheme introduces a early decision criteria using the outputs of uni-directional predictions to skip the bi-directional prediction estimation. From the experimental results, it was proven that the proposed method can reduce the encoding complexity by 12.0%, 14.6% and 17.2% with 0.6%, 1.0% and 1.5% of coding efficiency penalty, respectively. In addition, the ratio of bi-directional prediction mode was reduced by 6.3%, 11.8% and 16.6% at the same level of coding efficiency penalty, respectively, which should lead to the decoder complexity reduction. Finally, the effects of the proposed scheme are maintained regardless of the use of the early skip decision algorithm which is implemented in the HEVC reference software. 부호화 및 복호화 과정의 복잡도가 크게 증가 하기 때문에 이를 감소시키기 위한 연구들이 활발하게 제 정규논문 (Regular Paper)

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“…In [3], an adaptive coding unit decision method has been proposed based on early SKIP detection technique. In [4], it is shown that the large CU can be considered as very efficient for high resolution, slow motion or large QP video sequence. In [5], a low complexity intra mode prediction algorithm has been proposed which combines most probable mode flag signaling and intra mode signaling in one elegant solution.…”

mentioning

confidence: 99%

An Early Termination Algorithm for Efficient CU Splitting in HEVC

Goswami¹,

Kim

Jun³

et al. 2013

Journal of Broadcast Engineering

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요 약 최근 ITU-T/VCEG과 ISO/IEC MPEG은 공동으로 차세대 비디오 압축 표준 기술인 AbstractRecently, ITU-T/VCEG and ISO/IEC MPEG have started a new joint standardization activity on video coding, called High Efficiency Video Coding (HEVC). This new standard gives significant improvement in terms of picture quality for high resolution video. The main challenge in this upcoming standard is the time complexity. In this paper we have focused on CU splitting algorithm. We have proposed a novel algorithm which can terminate the CU splitting process early based on the RD cost of the parent and current level and the motion vector value of the current CU. Experimental result shows that our proposed algorithm gives on average more than about 10% decrement in time over ECU [8] with on average 1.78% of BD loss on the original.

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Content Based Hierarchical Fast Coding Unit Decision Algorithm for HEVC

Cited by 100 publications

References 2 publications

Fast HEVC Coding Unit Decision Based On BP-Neural Network

Fast HEVC Coding Unit Decision Based On BP-Neural Network

Early Decision of Inter-prediction Modes in HEVC Encoder

An Early Termination Algorithm for Efficient CU Splitting in HEVC

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