OPTOELECTRONIC THRESHOLDING MODULE FOR WINNER-TAKE-ALL OPERATIONS IN OPTICAL NEURAL NETWORKS

被引:13
作者
BERGERON, A [1 ]
ARSENAULT, HH [1 ]
EUSTACHE, E [1 ]
GINGRAS, D [1 ]
机构
[1] UNIV LAVAL, CTR OPT PHOTON & LASER, ST FOY G1K 7P4, PQ, CANADA
来源
APPLIED OPTICS | 1994年 / 33卷 / 08期
关键词
OPTICAL NEURAL NETWORKS; LIQUID-CRYSTAL TELEVISION; OPTOELECTRONIC THRESHOLDER; WINNER TAKE ALL; CORRELATION;
D O I
10.1364/AO.33.001463
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A simple optoelectronic architecture for carrying out optical thresholding operations is proposed. The architecture is suitable for optical neural network implementations and for image processing. The module is based on liquid-crystal television, on a CCD camera, and on beam-sampling optical components. The module does not need an additional light source, shows translation invariance, and does not break the beam propagation path. Experimental results involving images and correlations are presented. Finally, an architecture for an automatic winner-take-all extractor for neural network architectures is proposed.
引用
收藏
页码:1463 / 1468
页数:6
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