首页> 外文OA文献 >Comparison of swarm intelligence algorithms for optimized band selection of hyperspectral remote sensing image
【2h】

Comparison of swarm intelligence algorithms for optimized band selection of hyperspectral remote sensing image

机译:群智能算法对高光谱遥感图像优化频段选择的比较

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务,本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文,但由于OA文献来源多样且变更频繁,仍可能出现获取不到、文献不完整或与标题不符等情况,如果获取不到我们将提供退款服务。请知悉。

摘要

Swarm intelligence algorithms have been widely used in the dimensional reduction of hyperspectral remote sensing imagery. The ant colony algorithm (ACA), the clone selection algorithm (CSA), particle swarm optimization (PSO), and the genetic algorithm (GA) are the most representative swarm intelligence algorithms and have often been used as subset generation procedures in the selection of optimal band subsets. However, studies on their comparative performance for band selection have been rare. For this paper, we employed ACA, CSA, PSO, GA, and a typical greedy algorithm (namely, sequential floating forward selection (SFFS)) as subset generation procedures and used the average Jeffreys–Matusita distance (JM) as the objective function. In this way, the band selection algorithm based on ACA (BS-ACA), band selection algorithm based on CSA (BS-CSA), band selection algorithm based on PSO (BS-PSO), band selection algorithm based on GA (BS-GA), and band selection algorithm based on SFFS (BS-SFFS) were tested and evaluated using two public datasets (the Indian Pines and Pavia University datasets). To evaluate the algorithms’ performance, the overall classification accuracy of maximum likelihood classifier and the average runtimes were calculated for band subsets of different sizes and were compared. The results show that the band subset selected by BS-PSO provides higher overall classification accuracy than the others and that its runtime is approximately equal to BS-GA’s, higher than those of BS-ACA, BS-CSA, and BS-SFFS. However, the premature characteristic of BS-ACA makes it unacceptable, and its average JM is lower than those of other algorithms. Furthermore, BS-PSO converged in 500 generations, whereas the other three swarm-intelligence based algorithms either ran into local optima or took more than 500 generations to converge. BS-PSO was thus proved to be an excellent band selection method for a hyperspectral image.
机译:群智能算法已被广泛用于在降维高光谱遥感图像。蚁群算法(ACA),克隆选择算法(CSA),粒子群优化(PSO),遗传算法(GA)是最有代表性的群体智能算法和经常在的选择被用作子集生成程序最佳乐队子集。然而,他们的频段选择性能比较研究已不多见。在本文中,我们采用的ACA,CSA,PSO,GA,和典型的贪婪算法(即,顺序浮动前向选择(SFFS)),为子集产生程序和所用的平均杰弗里斯-Matusita距离(JM)作为目标函数。以这种方式,基于CSA(BS-CSA),基于PSO(BS-PSO)频带选择算法基于ACA(BS-ACA),频带选择算法频带选择算法,基于GA频带选择算法(BS-基于SFFS(BS-SFFS)GA)和波段选择算法进行了测试,并使用两个公共数据集(印度松树和帕维亚大学的数据集)进行评估。为了评估算法的性能,最大似然分类器的整体分类精度和平均运行时分别计算不同尺寸的带子集和进行比较。结果表明,由BS-PSO选择的频带的子集比其它提供更高的总体分类精度,并且其运行时间大约等于BS-GA的,除了那些BS-ACA,BS-CSA,并且BS-SFFS高。然而,BS-ACA的过早特性使得它不能接受的,它的平均JM是比其它算法更低。此外,BS-PSO收敛在500代,而其他三个群体,基于智能算法任然陷入局部最优或花了超过500代收敛。因此BS-PSO被证明是用于高光谱图像的优异的频带选择方法。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号