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Extracting natural scales using Fourier descriptors

Rosin, P. and Venkatesh, S. 1993, Extracting natural scales using Fourier descriptors, Pattern recognition, vol. 26, no. 9, pp. 1383-1393.

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Title Extracting natural scales using Fourier descriptors
Author(s) Rosin, P.
Venkatesh, S.
Journal name Pattern recognition
Volume number 26
Issue number 9
Start page 1383
End page 1393
Total pages 11
Publisher Pergamon
Place of publication Oxford, U. K.
Publication date 1993-09
ISSN 0031-3203
1873-5142
Keyword(s) curve analysis
Fourier transform
multi-scale representation
natural-scale
Summary Since contours often contain many different sized structures they need to be described at multiple scales. Rather than describe a contour at all scales it is more efficient to identify the most significant scales that best represent the structures present. These natural scales are determined by examining the Fourier descriptors of the contour and searching for significant bands. These correspond to bandwidths required to extract features at qualitatively significant resolution. Examples are given of using the determined scales in both low pass and high pass filters to eliminate fine and coarse detail.
Language eng
Field of Research 080106 Image Processing
Socio Economic Objective 890205 Information Processing Services (incl. Data Entry and Capture)
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©1993, Published by Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044213

Document type: Journal Article
Collection: School of Information Technology
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