Comparative performance of locally nonlinear matched filters and of optimal tradeoff filters

A comparison of the performance of Locally Nonlinear Filters (LNMFs) and Optimal Tradeoff Filters (OTFs) for the recognition of single images has been carried out. The comparison is done using several performance criteria such as Signal to Noise Ratio, Peak to Correlation Energy Ratio and Optical Ef...

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Bibliographic Details
Published in:Optics communications 1996-01, Vol.123 (1), p.19-26
Main Authors: Gualdrón, O., Arsenault, H.H.
Format: Article
Language:English
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Summary:A comparison of the performance of Locally Nonlinear Filters (LNMFs) and Optimal Tradeoff Filters (OTFs) for the recognition of single images has been carried out. The comparison is done using several performance criteria such as Signal to Noise Ratio, Peak to Correlation Energy Ratio and Optical Efficiency. A strong similarity between the whitening strategies of both filter families has been found when the Optimal Tradeoff Filters for peak sharpness and noise robustness are compared with LNMFs. Our tests show a marginal superiority of OTFs over LNMFs.
ISSN:0030-4018
1873-0310
DOI:10.1016/0030-4018(95)00474-2