Detection of Subpixel Submerged Mine-Like Targets in WorldView-2 Multispectral Imagery
Author
Sandersfeld, Michelle R.
Date
2012-09Advisor
Olsen, Richard C.
Second Reader
Sailer, Charlene T.
Metadata
Show full item recordAbstract
The utility of satellite spectral imagery is analyzed for the detection of submerged mine like objects. The targets that were utilized were sub-meter in size and emplaced in the water off the coast of La Jolla, California for a barnacle study. There were three surface targets and three submerged targets that did not exceed three meters in depth. Two meter multispectral and half meter panchromatic WorldView-2 data were used for image processing and analysis. The multispectral data proved more useful than the higher spatial resolution panchromatic data (sub-pixel vs resolved).For the multispectral data, principal component analysis was the most successful of the techniques, locating the submerged and surface targets. Attempts to use the RX-UTD anomaly detector were less successful, because of excessive false positives. This study supports the concept that commercial remote sensing is a viable option to support mine countermeasures.
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