GRADIENT SCHEMES FOR ROBUST FFT-BASED MOTION ESTIMATION

被引：0

作者：

Tzimiropoulos, Georgios ^{[1
]}

Argyriou, Vasileios ^{[2
]}

机构：

[1] Univ Nottingham, Comp Sci, Nottingham NG8 1BB, Notts, England

[2] Kingston Univ London, Comp Sci, Kingston Upon Thames KT1 2EE, Surrey, England

来源：

2016 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING PROCEEDINGS | 2016年

关键词：

motion estimation; correlation methods; block matching;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In this work, the focus is on gradient-based correlation schemes which constitute an alternative to phase correlation for FFT-based motion estimation. In particular, our contribution is threefold. First, we present an analysis which highlights the key features of gradient schemes. Second, we introduce an illumination invariant to gradient correlation. Third, we provide a comparison of gradient schemes in the application of block matching for video coding and draw several useful observations and conclusions.

引用

页码：1781 / 1785

页数：5

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