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Proceedings Paper

Correlation Of Fringe Patterns Using Multiple Digital Signal Processors
Author(s): D. A. Hartley; C. A. Hobson; S. Monaghan
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Paper Abstract

Image processing applications are computationally expensive. The paper shows that the computational time required for an application such as correlation can be considerably reduced by using a hierarchy of images. Even with these optimisation techniques, speeds do not approach real time on a uniprocessor system, but significant speed increases can be obtained by using a multi-processor system. It is shown that choosing the correct processor for the desired application is an important decision and that for correlation a digital signal processor provides superior performance over conventional processors.

Paper Details

Date Published: 20 November 1989
PDF: 12 pages
Proc. SPIE 1163, Fringe Pattern Analysis, (20 November 1989); doi: 10.1117/12.962798
Show Author Affiliations
D. A. Hartley, Coherent and Electro-Optics Research Group (United Kingdom)
C. A. Hobson, Coherent and Electro-Optics Research Group (United Kingdom)
S. Monaghan, Coherent and Electro-Optics Research Group (United Kingdom)


Published in SPIE Proceedings Vol. 1163:
Fringe Pattern Analysis
Graeme T. Reid, Editor(s)

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