Prime shapes in natural images
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Date
2012
Authors
Wu, Q.
Hall, P.
Editors
Bowden, R.
Collomosse, J.
Mikolajcczk, K.
Collomosse, J.
Mikolajcczk, K.
Advisors
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Conference paper
Citation
Proceedings of the British Machine Vision Conference, 2012 / Bowden, R., Collomosse, J., Mikolajcczk, K. (ed./s), pp.45-1-45-12
Statement of Responsibility
Qi Wu and Peter Hall
Conference Name
23rd British Machine Vision Conference (BMVC) (3 Sep 2012 - 7 Sep 2012 : Surrey, UK)
DOI
Abstract
This paper provides evidence that about half of all the regions in segmented images can be classified as one a few simple shapes. Using three segmentation algorithms, three different image databases, and two shape descriptors, we empirically show that shapes such as triangles, squares, and circles are observed, up to an affine transform and at a much higher rate than random shapes. This result has potential value in applications such as scene understanding, visual object classification, and matching because qualitative shapes can be used as features. We show an application in scene categorisation based on what might be called ‘bag of shapes’ .
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© 2012. The copyright of this document resides with its authors. It may be distributed unchanged freely in print or electronic forms