Perceptually Motivated Shape Context Which Uses Shape Interiors

Perceptually Motivated Shape Context Which Uses Shape Interiors

In this paper, we identify some of the limitations of current-day shape matching techniques. We provide examples of how contour-based shape matching techniques cannot provide a good match for certain visually similar shapes. To overcome this limitation, we propose a perceptually motivated variant of...

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Veröffentlicht in:arXiv.org 2012-12
Hauptverfasser: Vittal Premachandran, Kakarala, Ramakrishna
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Sprache:eng
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Algorithms
Contour matching
Object recognition
Shape recognition
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Kakarala, Ramakrishna
description In this paper, we identify some of the limitations of current-day shape matching techniques. We provide examples of how contour-based shape matching techniques cannot provide a good match for certain visually similar shapes. To overcome this limitation, we propose a perceptually motivated variant of the well-known shape context descriptor. We identify that the interior properties of the shape play an important role in object recognition and develop a descriptor that captures these interior properties. We show that our method can easily be augmented with any other shape matching algorithm. We also show from our experiments that the use of our descriptor can significantly improve the retrieval rates.
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subjects Algorithms
Contour matching
Object recognition
Shape recognition
title Perceptually Motivated Shape Context Which Uses Shape Interiors
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