Paper
23 May 1983 Computational Structure For The Walsh-Hadamard Transform
George M. Chaikin
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Abstract
The computation of a two dimensional Walsh-Hadamard Transform using a two dimensional perfect shuffle is described. A simple, repetitive computational unit for parallel processing, each of which performs a local Walsh-Hadamard Transform, is then combined with an interconnection network which performs a two dimensional perfect shuffle of an N x N array. After log2N repetitions, the N xN Walsh-Hadamard Transform is obtained.
© (1983) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
George M. Chaikin "Computational Structure For The Walsh-Hadamard Transform", Proc. SPIE 0360, Robotics and Industrial Inspection, (23 May 1983); https://doi.org/10.1117/12.934090
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KEYWORDS
Image processing

Fourier transforms

Very large scale integration

Parallel processing

Pattern recognition

Computing systems

Feature extraction

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