A fast globally optimal algorithm for template matching using low-resolution pruning

被引:73
|
作者
Gharavi-Alkhansari, M [1 ]
机构
[1] Tarbiat Modarres Univ, Dept Elect Engn, Tehran, Iran
关键词
block matching; exhaustive search; fast algorithms; full search; image search; motion estimation; template matching;
D O I
10.1109/83.913587
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Template matching has many applications in signal processing, image processing, pattern recognition, and video compression, This paper proposes a fast coarse-to-fine template matching algorithm for finding the exact best match, i.e., the match. that may be found by a full search. This is obtained by pruning the number of candidates in the full search using the results of a coarse search. Experimental results show that speed ups of a couple of orders of magnitude can easily be achieved using this method for typical low-noise cases of two-dimensional (2-D) template matching.
引用
收藏
页码:526 / 533
页数:8
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