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• W3208464564 abstract "Abstract Image segmentation plays a pivotal role in image processing. Level set model is a traditional variation image segmentation method. In order to achieve level set evolution equation, the level set energy functionals are minimized with the gradient descent methods and then the partial differential equation (PDE) was solved by finite difference scheme. Slow speed is one of its disadvantages. We propose a sweep optimization algorithm based on global cosine fitting (GCF) energy. Instead of calculating the PDE and the curvature, the proposed sweeping algorithm directly calculates the energy change when a pixel moves from one side of evolving contour to the other. It checks whether the GCF energy is decreased or not. The proposed algorithm has many advantages. For example, independent of initial level set contour positions and parameters, need not consider the Courant Friedrichs Lew condition and the regularization energy term. The proposed algorithm can be easily extended to high dimension image segmentation. The experiments on synthetic images, noise images and real images demonstrate the effectiveness of the proposed sweeping optimization algorithm." @default.
• W3208464564 created "2021-11-08" @default.
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• W3208464564 date "2021-10-19" @default.
• W3208464564 modified "2023-10-15" @default.
• W3208464564 title "A sweeping optimization algorithm for the global cosine fitting energy image segmentation model" @default.
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• W3208464564 doi "https://doi.org/10.1002/cpe.6651" @default.
• W3208464564 hasPublicationYear "2021" @default.
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