Covariance matrix estimation for CFAR detection in correlated heavy tailed clutter

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HRSID: A High-Resolution SAR Images Dataset for Ship Detection and Instance Segmentation (2020, methodology): “For speciﬁc needs, CFAR detection has been incorporated with diverse modules to improve detection precision [13]–[17].”
Impact of Sea Clutter Nonstationarity on Disturbance Covariance Matrix Estimation and CFAR Detector Performance (2010, methodology): “Note that zi M zi=N represents the ML estimate of the texture when M is known [11].”
Covariance Structure Maximum-Likelihood Estimates in Compound Gaussian Noise: Existence and Algorithm Analysis (2008, methodology): “derived in [12] an AML estimate as the solution of the following:”
Complex Elliptically Symmetric Distributions: Survey, New Results and Applications (2012, background): “The above MLE was also derived in [33] and also recently studied [17] and [78].”