Abstract
To diagnose and analyze the Penglai 19-3 oil spill incident which occurred in Bohai Sea on 4 June, 2011, MODIS 1B images was used in this article. And histogram equalization enhancement was processed on the image after ratio operation between oil-water sensitive channel bands to emphasize the difference between film and background water’s spectral reflectance, and strengthen the oil spills boundary. And last, we use threshold determination method based on image segmentation, combined with the spectrum characteristic of crude oil, to extract oil spills information from the suspected oil films area. Putting together, we locate the oil spills and estimate the area and quantity of oil films.
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