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In this letter, a robust and fast unsupervised change-detection framework is proposed for synthetic aperture radar (SAR) images. It contains three aspects. First, a robust difference image is constructed with the idea of probability patch-based, and it can suppress the speckle effects on the changed regions and enhance the change information synchronously. Then, each class of the difference image...
Unit commitment (UC) is a very important issue of generation scheduling in electric power systems. A hybrid method combining the adaptive Lagrangian relaxation (ALR) and Genetic Algorithm (GA) is presented in this paper. By using Lagrangian multipliers to relax system-wide demand and reserve constraints, the UC problem is decomposed and converted into a two-level optimization problem. The low-level...
This paper presents an unknown environment robot path planning algorithm. The robot working environments are expressed by grid model; Using digital potential field generated initial path population, and its optimization find the shortest path, and individual evaluation function were processed fitness function both feasible path and unfeasible path fitness function, and then by increasing the deleted...
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