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Proceedings Paper

Shift-invariant real-time joint transform correlator
Author(s): LongJang Hu; S. P. Lin; T. S. Yeh; Chia-Hui Lin; S. L. Tu; Sheng-Jehn Yang; Shiuan-Huei Lin; Tai Chiung Hsieh; Ken Yuh Hsu
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Paper Abstract

A joint transform correlator (JTC) is presented in this paper that utilizes a thin LiNbO3 crystal plate in the Fourier plane. The crystal plate shows the real-time dynamic photorefractive characteristics. We first report investigations on the planar grating properties of a thin Fe-LiNbO3 crystal plate and then demonstrate a new JTC system by this plate. The system has the capability of shift-invariance and real-time adaptive filtering.

Paper Details

Date Published: 30 October 1992
PDF: 11 pages
Proc. SPIE 1812, Optical Computing and Neural Networks, (30 October 1992); doi: 10.1117/12.131206
Show Author Affiliations
LongJang Hu, Chung Shan Institute of Science and Technology (Taiwan)
S. P. Lin, Chung Shan Institute of Science and Technology (Taiwan)
T. S. Yeh, Chung Shan Institute of Science and Technology (Taiwan)
Chia-Hui Lin, Chung Shan Institute of Science and Technology (Taiwan)
S. L. Tu, Chung Shan Institute of Science and Technology (Taiwan)
Sheng-Jehn Yang, Chung Shan Institute of Science and Technology (Taiwan)
Shiuan-Huei Lin, National Chiao Tung Univ. (Taiwan)
Tai Chiung Hsieh, National Chiao Tung Univ. (Taiwan)
Ken Yuh Hsu, National Chiao Tung Univ. (Taiwan)


Published in SPIE Proceedings Vol. 1812:
Optical Computing and Neural Networks
Ken Yuh Hsu; Hua-Kuang Liu, Editor(s)

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