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Published January 1985 | Published
Journal Article Open

Image Normalization by Complex Moments


The role of moments in image normalization and invariant pattern recognition is addressed. The classical idea of the principal axes is analyzed and extended to a more general definition. The relationship between moment-based normalization, moment invariants, and circular harmonics is established. Invariance properties of moments, as opposed to their recognition properties, are identified using a new class of normalization procedures. The application of moment-based normalization in pattern recognition is demonstrated by experiment.

Additional Information

© 1985 IEEE. Manuscript received March 25, 1983; revised July 23, 1984. This work was supported in part by the IBM Corporation and in part by the Army Research Office. This paper was presented in part at the IEEE Conference on Computer Vision and Pattern Recognition, June 1983.

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