Method and system for ship target detection by space-borne visible light detector
A target detection and visible light technology, applied in the field of intelligent processing of satellite remote sensing information, to achieve the effect of high false alarm rate, low missed detection, and reduction of false alarms
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[0111] According to an embodiment of the present invention, the CFAR target detection module performs CFAR target detection on the segmented image, including: (1) using the distribution statistical model to establish a statistical model of the ocean background; (2) setting the virtual alert rate;
[0112] Among them, distribution statistical models include Rayleigh distribution, K distribution, Gaussian distribution, GO distribution, Gamma distribution, generalized Gamma distribution, lognormal distribution and Alpha steady-state distribution, etc.
[0113]Setting the false alarm rate based on empirical values is based on optical remote sensing images of different scales and the sparse distribution of ship targets on the sea, and an adaptive sliding window ship target detection algorithm is designed. It mainly includes: fitting the sea clutter distribution model in different sea conditions , Adaptive sliding window construction and object candidate region acquisition.
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