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Shape feature extraction and description based on tensor scale
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DOI：10.1016/j.patcog.2009.06.012.png)
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Abstract
En 中文
Tensor scale is a morphometric parameter that unifies the representation of local structure thickness, orientation, and anisotropy, which can be used in several computer vision and image processing tasks. In this article, we exploit this concept for binary images and propose a shape salience detector and a shape descriptor-Tensor Scale Descriptor with Influence Zones. It also introduces a robust method to compute tensor scale, using a graph-based approach-the Image Foresting Transform. Experimental results are provided, showing the effectiveness of the proposed methods, when compared to other relevant methods, such as Beam Angle Statistics and Contour Salience Descriptor. with regard to their use in content-based image retrieval tasks. (C) 2009 Elsevier Ltd. All rights reserved.
Keywords:
Shape analysis
Image processing
Tensor scale
Image Foresting Transform
Shape description
Shape saliences
Content-based image retrieval
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