Learning-based image recognition by a thin photorefractive crystal plate

Chau-Jern Cheng; Shiuan-Huei Lin; Tai Chiung Hsieh; LongJang Hu; T. S. Yeh; S. P. Lin; Chia-Hui Lin; S. L. Tu; Sheng-Jehn Yang

doi:10.1117/12.131201

30 October 1992 Learning-based image recognition by a thin photorefractive crystal plate

Chau-Jern Cheng, Shiuan-Huei Lin, Tai Chiung Hsieh, LongJang Hu, T. S. Yeh, S. P. Lin, Chia-Hui Lin, S. L. Tu, Sheng-Jehn Yang

Author Affiliations +

Proceedings Volume 1812, Optical Computing and Neural Networks; (1992) https://doi.org/10.1117/12.131201
Event: International Symposium on Optoelectronics in Computers, Communications, and Control, 1992, Hsinchu, Taiwan

Abstract

A learning-based image recognition system using a thin photorefractive crystal plate is presented and demonstrated. The matched filter is synthesized by the modified perceptron learning network and is recorded in a 100 micrometers thick LiNbO₃ crystal plate. The system performs a shift-invariant correlation for image recognition.

Citation Download Citation

Chau-Jern Cheng, Shiuan-Huei Lin, Tai Chiung Hsieh, LongJang Hu, T. S. Yeh, S. P. Lin, Chia-Hui Lin, S. L. Tu, and Sheng-Jehn Yang "Learning-based image recognition by a thin photorefractive crystal plate", Proc. SPIE 1812, Optical Computing and Neural Networks, (30 October 1992); https://doi.org/10.1117/12.131201

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