Dense sampling of shape interiors for improved representation

6 March 2013 Dense sampling of shape interiors for improved representation

Vittal Premachandran, Ramakrishna Kakarala

Proceedings Volume 8661, Image Processing: Machine Vision Applications VI; 866109 (2013) https://doi.org/10.1117/12.2008480
Event: IS&T/SPIE Electronic Imaging, 2013, Burlingame, California, United States

Abstract

Matching shapes accurately is an important requirement in various applications; the most notable of which is object recognition. Precisely matching shapes is a difficult task and is an active area of research in the computer vision community. Most shape matching techniques rely on the contour of the object to provide the object's shape properties. However, we show that using the contour alone cannot help in matching all kinds of shapes. Many objects are recognised because of their overall visual similarity, rather than just their contour properties. In this paper, we assert that modelling the interior properties of the shape can help in extracting this overall visual similarity. We propose a simple way to extract the shape's interior properties. This is done by densely sampling points from within the shape and using it to describe the shape's features. We show that using such an approach provides an effective way to perform matching of shapes that are visually similar to each other, but have vastly different contour properties.

Citation Download Citation

Vittal Premachandran and Ramakrishna Kakarala "Dense sampling of shape interiors for improved representation", Proc. SPIE 8661, Image Processing: Machine Vision Applications VI, 866109 (6 March 2013); https://doi.org/10.1117/12.2008480

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