ESTIMATING THE ALPHA-STABLE DISTRIBUTION PARAMETERS FOR SHIP DETECTION IN POLARIMETRIC SAR IMAGES

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GHANBARY M.; KHAZAEI S.

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Paper Information

Journal: JOURNAL OF RADAR Year:2015 | Volume:3 | Issue:3 (SERIAL NO. 9) Page(s): 21-30

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Title

ESTIMATING THE ALPHA-STABLE DISTRIBUTION PARAMETERS FOR SHIP DETECTION IN POLARIMETRIC SAR IMAGES

Author(s)

GHANBARY M. | KHAZAEI S. | Issue Writer Certificate

Keywords

SHIP DETECTIONQ2

CONSTANT FALSE ALARM RATE (CFAR)Q2

METHOD OF LOG-CUMULANTSQ2

POLARIMETRIC SAR IMAGESQ2

Abstract

In synthetic aperture radar (SAR) imagery, ship-sea contrast can be significantly improved when the polarimetric information is used, compared with information from a single channel SAR. The constant false alarm rate (CFAR) detection algorithm based on the alpha-stable (AS) distribution model is a descent method for SHIP DETECTION in sea. The most important step in this method is the parameter estimation of the AS probability density function for which the METHOD OF LOG-CUMULANTS (MoLC) parameter estimation is proposed and utilized in this study. Evaluation results of the proposed method on two L- and C-band polarimetric SAR (PolSAR) datasets which are acquired by AIRSAR and RADARSAT-2 sensors confirm the accuracy of the method. Experimental results show that the best results of detection maps are achieved when the polarimetric span and entropy data are used where a high detection accuracy in the latter cases are along with a low number of false alarms.

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APA: Copy

GHANBARY, M., & KHAZAEI, S.. (2015). ESTIMATING THE ALPHA-STABLE DISTRIBUTION PARAMETERS FOR SHIP DETECTION IN POLARIMETRIC SAR IMAGES. JOURNAL OF RADAR, 3(3 (SERIAL NO. 9)), 21-30. SID. https://sid.ir/paper/244179/en

Vancouver: Copy

GHANBARY M., KHAZAEI S.. ESTIMATING THE ALPHA-STABLE DISTRIBUTION PARAMETERS FOR SHIP DETECTION IN POLARIMETRIC SAR IMAGES. JOURNAL OF RADAR[Internet]. 2015;3(3 (SERIAL NO. 9)):21-30. Available from: https://sid.ir/paper/244179/en

IEEE: Copy

M. GHANBARY, and S. KHAZAEI, “ESTIMATING THE ALPHA-STABLE DISTRIBUTION PARAMETERS FOR SHIP DETECTION IN POLARIMETRIC SAR IMAGES,” JOURNAL OF RADAR, vol. 3, no. 3 (SERIAL NO. 9), pp. 21–30, 2015, [Online]. Available: https://sid.ir/paper/244179/en

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