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Aligning Bags of Shape Contexts for Blurred Shape Model based symbol classification | IEEE Conference Publication | IEEE Xplore

Aligning Bags of Shape Contexts for Blurred Shape Model based symbol classification


Abstract:

This paper addresses the problem of shape classification and proposes a method able to exploit peculiarities of both, local and global shape descriptors. In the proposed ...Show More

Abstract:

This paper addresses the problem of shape classification and proposes a method able to exploit peculiarities of both, local and global shape descriptors. In the proposed shape classification framework, the silhouettes of symbols are firstly described through Bags of Shape Contexts. This shape signature is used to solve correspondence problem between points of two shapes. The obtained correspondences are employed to recover the geometric transformations between the shape to be classified and the ones belonging to the training dataset. The alignment is based on a voting procedure in the parameter space of the model considered to recover the geometric transformation. The aligned shapes are finally described with the Blurred Shape Model descriptor for classification purposes. Experiments performed on two different challenging datasets demonstrate that the proposed strategy outperforms the state-of-the-art approaches from which our solution originates.
Date of Conference: 11-15 November 2012
Date Added to IEEE Xplore: 14 February 2013
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Conference Location: Tsukuba, Japan

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