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Proceedings Paper

Pipelining multiple SIMD architecture for Hartmann-Shack wavefront sensor
Author(s): Yan Cheng; Tiesheng Kong; Diannong Liang
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Paper Abstract

Hartmann-Shack method is widely used in adaptive optics system for wavefront sensing.A data processing system i employed in the sensor for computing wavefront gradient,wavefront reconstruction and control.To get a wide control bandwidth,the system should reach the processing needs in real time.In this paper,a parallel processing architecture called pipeling multiple SIMD(PMSIMD) architecture is presented.In the system,image acqusltion,wavefront gradient computation(WFGC) and wavefront reconstruction computation(WFRC) are conducted in pipeline,at the same time,the SIMD architecture is employed in both of the WFGC and WFRC.The computer simulation experiment shows the system based on the PMSIMD architecture is capable of processing video images of l2SXl28 pixels at 1000 frames per second and the time delay is less than 1/4 of frame period. Keywords:parallel processing architecture,wavefront of algorithms

Paper Details

Date Published: 5 March 1996
PDF: 9 pages
Proc. SPIE 2661, Real-Time Imaging, (5 March 1996); doi: 10.1117/12.234654
Show Author Affiliations
Yan Cheng, National Univ. of Defense Technology (China)
Tiesheng Kong, National Univ. of Defense Technology (China)
Diannong Liang, National Univ. of Defense Technology (China)

Published in SPIE Proceedings Vol. 2661:
Real-Time Imaging
Phillip A. Laplante; Alexander D. Stoyenko; Divyendu Sinha, Editor(s)

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