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Proceedings Paper

Improving the processing speed of an LCD-panel-based correlator by using a multichannel correlation approach
Author(s): Haisong Liu; Minxian Wu; Guofan Jin; Gang Cheng; Qingsheng He; Yingbai Yan
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Paper Abstract

Liquid crystal devices (LCDs) have proven to have adequate characteristics for use as the spatial light modulators, which are the key devices in the real-time optical information processing systems. However, the effective update rate of the LCD is rather low due to the transient response of the liquid crystal molecules and it has restricted the processing speed of the optoelectronic processors. In this paper, we use a multi-channel correlation approach to improve the processing speed and get satisfactory experimental results. The speed has been improved from 6 to 12 images per second. By this approach, not only the processing speed can be improved, but also the display area of the LCD can be sufficiently exploited.

Paper Details

Date Published: 18 August 1998
PDF: 6 pages
Proc. SPIE 3560, Display Devices and Systems II, (18 August 1998); doi: 10.1117/12.319692
Show Author Affiliations
Haisong Liu, Tsinghua Univ. (United States)
Minxian Wu, Tsinghua Univ. (China)
Guofan Jin, Tsinghua Univ. (China)
Gang Cheng, Tsinghua Univ. (United States)
Qingsheng He, Tsinghua Univ. (China)
Yingbai Yan, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 3560:
Display Devices and Systems II
Shou-Qian Ding; Bao Gang Wu, Editor(s)

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