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Based on characteristics of Harmony Search and Simulated Annealing algorithm, a hybrid algorithm is designed to solve the multiprocessor task scheduling problem. Comparing with other typical optimization algorithm, the simulation results demonstrate that the hybrid algorithm is superior to Simulated Annealing and Harmony Search algorithm. It can improve the global search abilities and convergence...
This paper is concerned with solving the blocking flow shop scheduling problem based Harmony Search and GA for better result. The largest position value (LPV) rule is used to convert continuous harmony vectors into job permutations and an efficient initialization scheme based on a variant of the NEH heuristic, called NEH_PWT, is used to construct the initial harmony memory with certain quality and...
To increase the segmentation speed and efficiency, traditional 2D maximum entropy threshold segmentation method is improved. The improved segmentation method is called PSO-SDAIVE algorithm. In this new algorithm, the 2D gray histogram is changed and forms the 2D D -value attribute gray histogram. When computing image entropy, the spatial gray information of pixels is included in computation. The improved...
There are vast amount researches in Evolutionary Algorithms (EA). We need an overview of the current state of EA research every few years. This paper reviews some of the interesting researches at the current state in both theory and application of EA. Works in EA performance improvements are introduced in the sense of balancing between convergence speed and diversity in the population. The combination...
Topology control for maximizing network capacity for the practical power-fixed IEEE 802.11-based ad hoc networks is deeply investigated in this paper. Several interference-model-based algorithms have been proposed to maximize network capacity through reducing interference during recent years. However, most of those algorithms are based on node location and not practical in IEEE 802.11-based ad hoc...
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