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A systematic method for efficient computation of full and subsets Zernike moments
Faculty
Computer Science
Year:
2010
Type of Publication:
Article
Pages:
2299-2313
Authors:
Hosny, Khalid M
DOI:
10.1016/j.ins.2010.02.006
Journal:
INFORMATION SCIENCES ELSEVIER SCIENCE INC
Volume:
180
Research Area:
Computer Science
ISSN
ISI:000276819200017
Keywords :
Zernike moments, Complex moments, Fast computation, Symmetry property, Gray level images
Abstract:
A new method is proposed for fast and accurate computation of Zernike moments. This method presents a novel formula for computing exact Zernike moments by using exact complex moments where the exact values of complex moments are computed by mathematical integration of the monomials over digital image pixels. The proposed method is applicable to compute the full set of Zernike moments as well as the subsets of individual order, repetition and an individual moment. A comparison with other conventional methods is performed. The results show the superiority of the proposed method. (C) 2010 Elsevier Inc. All rights reserved.
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