A Fast Inter-prediction Mode Selection Algorithm Based on Motion Characteristics

Peng Tong-zhuang; Liu Li-cheng; Yang Guan-shui

doi:10.12052/gdutxb.200066

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A Fast Inter-prediction Mode Selection Algorithm Based on Motion Characteristics

更新时间：2026-05-27

- A Fast Inter-prediction Mode Selection Algorithm Based on Motion Characteristics
- Vol. 38, Issue 3, Pages: 36-41(2021)
- 作者机构：
  
  广东工业大学信息工程学院,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.200066
  CLC： TN919.81
- Published：2021
- 稿件说明：
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彭同壮, 刘立程, 杨关水. 基于深度特性的帧间预测快速算法[J]. 广东工业大学学报, 2021, 38(3): 36-41.

Peng Tong-zhuang, Liu Li-cheng, Yang Guan-shui. A Fast Inter-prediction Mode Selection Algorithm Based on Motion Characteristics[J]. 2021, 38(3): 36-41.
彭同壮, 刘立程, 杨关水. 基于深度特性的帧间预测快速算法[J]. 广东工业大学学报, 2021, 38(3): 36-41. DOI： 10.12052/gdutxb.200066.

Peng Tong-zhuang, Liu Li-cheng, Yang Guan-shui. A Fast Inter-prediction Mode Selection Algorithm Based on Motion Characteristics[J]. 2021, 38(3): 36-41. DOI： 10.12052/gdutxb.200066.

摘要

高效视频编码(High Efficiency Video Coding

HEVC)的帧间预测部分存在很高的计算复杂度

为了降低编码时间复杂度

提出了一种基于深度特性的帧间预测快速算法。首先

对帧间PU(Prediction Unit

PU)模式进行分类为规则和不规则块; 然后运用本文的方式定义当前CTU(Coding Tree Unit

CTU)的内容复杂程度; 最后对编码深度进行分区为SD(Small Depth

SD)、HD(High Depth

HD)区域

位于SD区只进行规则的划分方式

位于HD区根据当前CTU的复杂程度

对复杂块进行不规则划分方式的遍历

对简单块只进行规则划分

从而实现快速编码算法。结果表明

与HM16.9相比

本文提出的算法在低时延和随机接入配置下分别降低了28.6%和23.8%的编码时间

且编码性能不受影响。

Abstract

High-efficiency video coding (High Efficiency Video Coding

HEVC) inter-prediction part has a high computational complexity. In order to reduce the coding time complexity

a fast algorithm for inter-prediction is proposed based on depth characteristics. First

the inter-frame PU (Prediction Unit

PU) mode is classified into regular and irregular blocks; then the method is used to define the content complexity of the current CTU (Coding Tree Unit

CTU); finally

the coded depth is divided into SD and HD regions. The SD region is only divided into rules. According to the complexity of the current CTU

the HD region is used to traverse the complex blocks in an irregular manner

and the simple blocks are divided into rules to achieve a fast encoding algorithm. Experimental results show that compared with HM16.9

the proposed algorithm reduces the encoding time

respectively

by 28.6% and 23.8% under low latency and random access configurations and the encoding performance is unaffected.

关键词

Keywords

references

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HAN W J, MIN J, KIM I K, et al . Improved video compression efficiency through flexible unit representation and corresponding extension of coding tools [J ] . IEEE Transaction on Circuits and System for Video Technology, 2010, 20(12): 1709-1720.

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SHEN L, ZHANG Z, LIU Z. Adaptive inter-mode decision for HEVC jointly utilizing inter-level and spatiotemporal correlations [J]. IEEE Transactions on Circuits Systems for Video Technology, 2014, 24(10): 1709-1722.

XIONG J, LI H, MENG F, et al . Fast HEVC inter CU decision based on latent SAD estimation [J ] . IEEE Transactions on Multimedia, 2015, 17(12): 2147-2159.

PAN Z, JIN P, LEI J, et al . Fast reference frame selection based on content similarity for low complexity HEVC encoder [J ] . Journal of Visual Communication Image Representation, 2016, 40: 516-524.

HUANG T T, LIU L C, PENG T Z. Fast inter-prediction mode selection algorithm based on motion characteristics [J]. Journal of Guangdong University of Technology, 2020, 37(2): 74-79.

WU G J, SONG L F. Fast intra-mode and depth decision algorithm for HEVC [J]. Journal of Guangdong University of Technology, 2015, 32(4): 132-137.

BJONTEGAARD G. Calculation of average PSNR difference between RD curves[C]//13th VCEG-M33 Meeting. Austin: ITU-T, 2001, 4: 2-4.

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