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International Journal of Electrical and Computer Engineering 5:1 2010 Salient Points Reduction for Content-Based Image Retrieval

By Yao-hong Tsai

Abstract

Abstract—Salient points are frequently used to represent local properties of the image in content-based image retrieval. In this paper, we present a reduction algorithm that extracts the local most salient points such that they not only give a satisfying representation of an image, but also make the image retrieval process efficiently. This algorithm recursively reduces the continuous point set by their corresponding saliency values under a top-down approach. The resulting salient points are evaluated with an image retrieval system using Hausdoff distance. In this experiment, it shows that our method is robust and the extracted salient points provide better retrieval performance comparing with other point detectors. Keywords—Barnard detector, Content-based image retrieval, Points reduction, Salient point. I

Year: 2010
OAI identifier: oai:CiteSeerX.psu:10.1.1.173.3082
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