Fast Template Matching by Subsampled Circulant Matrix
Sung-Hsien Hsieh,
Chun-Shien Lu,
and Soo-Chang Pei
Abstract:Template matching is widely used for many applications in image and signal processing and usually is time-critical. Traditional methods usually focus on how to reduce the search locations by coarse-to-fine strategy or full search combined with pruning strategy. However, the computation cost of those methods is easily dominated by the size of signal N instead of that of template K. This paper proposes a probabilistic and fast matching scheme, which computation costs requires O(N ) additions and O(K log K) multi… Show more
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