Modification algorithms for improving the performance of holographically stored multiplexed correlation filters

J. Khoury; Peter D.Gianino; Charles L. Woods

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Modification algorithms for improving the performance of holographically stored multiplexed correlation filters

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摘要

Several filter algorithms are developed for the purpose of modifying the transmissivity of many matched filters multiplexed onto one hologram. Each algorithm optimizes, or approximately optimizes, a specified performance metric. Four pages of images are multiplexed onto a thin hologram, each page having nine binary images. Computer simulation indicates that some algorithms operate over a wide range of obscurations (down to about 5 of the original image), while others have restricted operating ranges. This process has application to both associative memories and correlation. Two new optical schemes are also proposed that can implement two of these modification filters.

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来源
《Optical Engineering》 |2000年第5期|1122-1132|共11页
作者
J. Khoury; Peter D.Gianino; Charles L. Woods;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
关键词
Pattern recognition; Optimal filtering; Correlation; Associative memory;

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Modification algorithms for improving the performance of holographically stored multiplexed correlation filters

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