Optimal synthetic aperture radar image correlation using enhanced scattering centers in holographic data storage

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

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Optimal synthetic aperture radar image correlation using enhanced scattering centers in holographic data storage

机译：Optimal synthetic aperture radar image correlation using enhanced scattering centers in holographic data storage

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摘要

We prove that for gray-level or binarized synthetic aperture radar (SAR) images with enhanced scattering centers, the DC-blocked phase-only filter is the optimal, as well as the most practical, solution for SAR image recognition. Our correlation algorithm, which employs various power laws to enhance the scattering centers, was examined for images with different complexity using the moving and stationary target acquisitions and recognition (MSTAR) data base. For standard recognition problems, which represent 95 of the cases (intermediate level of noise and sufficient number of scattering centers on the target), we found that our proposed approach improves the correlation even when utilizing binary templates extracted from the region of interest and binary inputs. For more complex problems (representing nearly 5 of the cases), a further improvement in our correlation recognition approach is needed.

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来源
《Optical Engineering》 |2001年第11期|2624-2637|共14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
Synthetic aperture radar; Pattern recognition; Image preprocessing; Optical processing; Optimal correlation filter; Holographic storage;

Optimal synthetic aperture radar image correlation using enhanced scattering centers in holographic data storage

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