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Proceedings Paper

A Practical Fast Fourier Transform (FFT)-Based Implementation For Image Correlation
Author(s): H. Kidorf; W. Piegorsch
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Paper Abstract

Presented here is a simple, easily implemented method for an FFT-based implementation of image cross-correlation which provides for the proper normalization required to obtain useful, easily interpreted output. The results are applied to character recognition. The algorithm is structured such that the data is processed in a highly parallel fashion in order to facilitate a fast, efficient hardware implementation. A discussion is made of the relative merits of using this method.

Paper Details

Date Published: 4 December 1984
PDF: 6 pages
Proc. SPIE 0504, Applications of Digital Image Processing VII, (4 December 1984); doi: 10.1117/12.944856
Show Author Affiliations
H. Kidorf, Rensselaer Polytechnic Institute (United States)
W. Piegorsch, Rensselaer Polytechnic Institute (United States)


Published in SPIE Proceedings Vol. 0504:
Applications of Digital Image Processing VII
Andrew G. Tescher, Editor(s)

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