A method for image segmentation of oil spills on the sea surface

Abstract

The invention belongs to the field of marine pollution treatment and particularly relates to a segmentation method of a sea surface oil spillage image. Particularly, a high-order Boolean energy function is established, wherein the high-order Boolean energy function comprises a first-order judging item and a high-order coupling item, the first-order judging item is obtained according to a single pixel energy function and an edge-preserving filter function through convolution so that a good effect of protecting the edge of an oil spillage zone can be achieved; and the high-order coupling item can be used for calculating the coupling performance of similar paired neighboring pixels in a pixel subset so that a long-strip-shaped oil spillage zone can be segmented precisely. The minimum value is obtained according to the established Boolean energy function by adopting a maximum flow / minimum segmentation algorithm, and each Boolean variable value corresponds to the optimum segmentation method of the oil spillage zone in the sea surface oil spillage image when the minimum energy value is adopted. By adopting the segmentation method, the influence of the edge diffusion phenomenon in the process of segmenting the long-strip shaped oil spillage zone can be overcome to a certain extent, and the segmentation accuracy can be improved.

Description

technical field [0001] The invention relates to the field of marine pollution treatment, in particular to a sea surface oil spill image segmentation method. Background technique [0002] With the rapid development of the offshore oil industry and offshore oil transportation industry, and the continuous expansion of offshore oil exploration, development, and submarine pipeline laying, oil facilities have become a major source of danger for marine environmental pollution. Oil spills at sea have brought serious pollution to the marine environment and marine ecology. Protecting the marine environment and preventing marine surface pollution has become an urgent problem to be solved. In order to prevent oil spill pollution on the sea surface, a variety of satellites are deployed to perform daily tasks of tracking and monitoring oil spills at sea. The real-time images of the sea surface sent back by the satellite are used to detect the oil spill on the sea surface. In order to e...

AI Technical Summary

Problems solved by technology

However, the oil spill segmentation method based on high-order energy functions will lead to edge diffusion, and the edge of the segmented oil spill area tends to spread to the non-oil spill area, resulting in oil spill segmentation results with glitches, which affects the accuracy of oil spill segmentation

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