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Co-Design System for Template Matching Using Dedicated Co-Processor and Cuckoo Search
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Author(s): Alexandre de Vasconcelos Cardoso (State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil), Yuri Marchetti Tavares (State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil), Nadia Nedjah (State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil) and Luiza de Macedo Mourelle (State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil)
Copyright: 2018
Volume: 9
Issue: 1
Pages: 17
Source title:
International Journal of Swarm Intelligence Research (IJSIR)
Editor(s)-in-Chief: Yuhui Shi (Southern University of Science and Technology (SUSTech), China)
DOI: 10.4018/IJSIR.2018010104
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Abstract
Template matching is an important method used for object tracking, in order to find a given-pattern within a frame sequence. Pearson's Correlation Coefficient (PCC) is widely used to quantify the similarity between two images. Since this coefficient calculus is computed for each image pixel, it entails a computationally expensive process. In this article, an embedded co-design system is proposed, which implements the template matching, in order to accelerate this process. The dedicated co-processor, responsible for performing the PCC computation, is used in two configurations: serial and pipeline. Cuckoo Search (CS) is used to improve the search for the maximum correlation point of the image and the used template. The search process is implemented in software and is run by an embedded general-purpose processor. The performance results are compared to those obtained through Particle Swarm Optimization (PSO) using the same hardware approach.
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