Motion Compensation Using Nodal Search-Based Deformable Block Matching

WEI Wei; HOU Zheng-xin; GUO Ying-chun

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Motion Compensation Using Nodal Search-Based Deformable Block Matching

更新时间：2025-07-16

- Motion Compensation Using Nodal Search-Based Deformable Block Matching
- Acta Electronica Sinica Vol. 33, Issue 8, Pages: 1421-1424(2005)
- 作者机构：
  
  天津大学电子信息工程学院,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.81
- Published：2005
- 稿件说明：
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WEI Wei, HOU Zheng-xin, GUO Ying-chun. Motion Compensation Using Nodal Search-Based Deformable Block Matching[J]. Acta Electronica Sinica, 2005, 33(8): 1421-1424.
DOI：

WEI Wei, HOU Zheng-xin, GUO Ying-chun. Motion Compensation Using Nodal Search-Based Deformable Block Matching[J]. Acta Electronica Sinica, 2005, 33(8): 1421-1424. DOI：

摘要

本文讨论可变形块匹配(DBMA)的运动补偿和预测方法

提出基于节点搜索的可变形块匹配算法(NS-DBMA)

并在此基础上提出分数像素精度预测和双模式混合预测方法.实验结果表明

NS-DBMA比全搜索方块匹配法(EBMA)平均改善约2dB;其运算量仅为基于梯度的可变形块匹配算法(GB-DBMA)的一半

但能得到更好的主客观预测质量

且更易于VLSI硬件实现.

Abstract

Motion compensation and prediction using deformable block matching algorithm (DBMA) is discussed.This paper proposes a nodal search-based DBMA (NS-DBMA) for the estimation of nodal displacement.The sub-pixel accuracy prediction and two-mode hybrid method are further proposed.Experimental results show that the NS-DBMA have about 2dB better than exhaustive block matching algorithm (EBMA).NS-DBMA has only half computation amount of the gradient-based search algorithm (GB-DBMA) but gets better subjective and objective quality

and is much easier to implement by VLSI.

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