Journal
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
Volume 6, Issue 4, Pages 723-727Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LGRS.2009.2024224
Keywords
Cross-entropy; detection; polarization
Categories
Funding
- National Natural Science Foundation of China [40871157]
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In this letter, polarization cross-entropy is introduced based on the eigendecomposition of the polarimetric coherence matrix. Then, the new parameter is employed for ship detection. From experimental results, it is derived that the distribution of the polarization cross-entropy in ocean regions can be well approximated by a generalized exponential distribution. Then, a constant-false-alarm-rate ship-detection method is proposed based on the distribution of the polarization cross-entropy. Using experimental results, the authors demonstrate the effectiveness of the new method in ship detection.
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