6 March 2013 Object detection using feature-based template matching
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Pattern matching, also known as template matching, is a computationally intensive problem aimed at localizing the instances of a given template within a query image. In this work we present a fast technique for template matching, able to use histogram-based similarity measures on complex descriptors. In particular we will focus on Color Histograms (CH), Histograms of Oriented Gradients (HOG), and Bag of visual Words histograms (BOW). The image is compared with the template via histogram-matching exploiting integral histograms. In order to introduce spatial information, template and candidates are divided into sub-regions, and multiple descriptor sizes are computed. The proposed solution is compared with the Full-Search-equivalent Incremental Dissimilarity Approximations, a state of the art approach, in terms of both accuracy and execution time on different standard datasets.
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Simone Bianco, Simone Bianco, Marco Buzzelli, Marco Buzzelli, Raimondo Schettini, Raimondo Schettini, "Object detection using feature-based template matching", Proc. SPIE 8661, Image Processing: Machine Vision Applications VI, 86610C (6 March 2013); doi: 10.1117/12.2006224; https://doi.org/10.1117/12.2006224

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