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4 December 1984 A Practical Fast Fourier Transform (FFT)-Based Implementation For Image Correlation
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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.
© (1984) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
H. Kidorf and W. Piegorsch "A Practical Fast Fourier Transform (FFT)-Based Implementation For Image Correlation", Proc. SPIE 0504, Applications of Digital Image Processing VII, (4 December 1984); https://doi.org/10.1117/12.944856
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