基于运动特性的帧间预测模式快速选择算法

黄涛涛; 刘立程; 彭同壮

doi:10.12052/gdutxb.190071

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基于运动特性的帧间预测模式快速选择算法

综合研究 | 更新时间：2026-05-27

- 基于运动特性的帧间预测模式快速选择算法
- Fast Inter-prediction Mode Selection Algorithm Based on Motion Characteristics
- 广东工业大学学报 2020年37卷第2期页码：74-79
- 作者机构：
  
  1. 广东工业大学信息工程学院,广东,广州,510006
  2. 东源广工大现代产业协同创新研究院,广东,河源,517500
- 作者简介：
  
  黄涛涛(1993–)，男，硕士研究生，主要研究方向为视频编解码算法
- 基金信息：
  
  广州市科技计划项目(201802020008)
- DOI：10.12052/gdutxb.190071
  中图分类号： TN919.81
- 网络首发：2020-03-10，
  
  纸质出版：2020
- 稿件说明：
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黄涛涛, 刘立程, 彭同壮. 基于运动特性的帧间预测模式快速选择算法[J]. 广东工业大学学报, 2020, 37(2): 74-79.

Huang Tao-tao, Liu Li-cheng, Peng Tong-zhuang. Fast Inter-prediction Mode Selection Algorithm Based on Motion Characteristics[J]. 2020, 37(2): 74-79.
黄涛涛, 刘立程, 彭同壮. 基于运动特性的帧间预测模式快速选择算法[J]. 广东工业大学学报, 2020, 37(2): 74-79. DOI： 10.12052/gdutxb.190071.

Huang Tao-tao, Liu Li-cheng, Peng Tong-zhuang. Fast Inter-prediction Mode Selection Algorithm Based on Motion Characteristics[J]. 2020, 37(2): 74-79. DOI： 10.12052/gdutxb.190071.

摘要

高效视频编码(High Efficiency Video Coding

HEVC)大部分编码时间消耗在帧间预测

为了缩短编码时间

本文提出了一种基于CU (Coding Unit)块运动特性的帧间模式快速选择算法。首先

运用本文定义的运动特征对帧间预测模式分类; 然后让CU进行尺寸N×N的帧间预测

获取子PU (Prediction Unit)块运动矢量

根据4个运动矢量的关系确定当前CU块的运动特性; 最后通过运动特性确定要遍历的帧间预测模式

从而实现快速编码算法。实验结果表明

与HM16.15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31.6%和27.4%的编码时间

而编码器的编码性能基本不受影响。

Abstract

High Efficiency Video Coding (HEVC) consumes most of the coding time in inter-prediction. In order to shorten the encoding time

a fast inter-prediction mode selection algorithm is proposed based on CU’s motion characteristics. Firstly

the inter-prediction mode is classified by using the motion characteristics defined in this study. Secondly

the CU performs inter-prediction of size N×N

and determines the current CU motion characteristics according to the relationship of the sub-PU (Prediction Unit) motion vectors. At last

the traversal range of inter-prediction mode is determined by the current CU motion characteristics. The experimental results demonstrate that compared with HM16.15

the proposed algorithm reduces by 31.6% the coding time in low delay configuration and by 27.4% in random access configuration

while the coding performance of the encoder is substantially unaffected.

关键词

Keywords

references

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