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A grid-based shape indexing and retrieval method

journal contribution
posted on 1997-12-01, 00:00 authored by Atul SajjanharAtul Sajjanhar, G Lu
One of the content based image retrieval techniques is the shape based technique which allows users to ask for objects similar in shape to a query object. We propose a novel method for shape representation and similarity measure which we call the grid based method. We shall evaluate its performance by comparing it with two popular methods, namely, the Fourier descriptors method and the moment invariants method. The comparative study is done by performing the same queries on the same database for all the methods. We also test the methods for robustness to noise by performing the queries on a database of noisy shapes. Experimental results show that the method proposed performs favourably compared with the other two methods.

History

Journal

Journal of research and practice in information technology

Volume

29

Issue

4

Pagination

131 - 140

Publisher

Australian Computer Society

Location

Sydney, N.S.W.

ISSN

1443-458X

Language

eng

Publication classification

CN.1 Other journal article

Copyright notice

1997, Australian Computer Society

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