nmanydataanalysistasks,oneisoftenconfrontedwithveryhighdimensionaldata.Featureselectiontechniquesaredesignedtofindtherelevantfeaturesubsetoftheoriginalfeatureswhichcanfacilitateclustering,classificationandretrieval.Thefeatureselectionproblemisessentiallyacombinatorialoptimizationproblemwhichiscomputationallyexpensive.Traditionalfeatureselectionmethodsaddressthisissuebyselectingthetoprankedfeaturesbasedoncertainscorescomputedindependentlyforeachfeature.Theseapproachesneglectthepossiblecorrelationbetweendifferentfeaturesandthuscannotproduceanoptimalfeaturesubset.InspiredfromtherecentdevelopmentsonmanifoldlearningandL1-regularizedmodelsforsubsetselection,weproposehereanewapproach,called{\emMulti-Cluster/ClassFeatureSelection}(MCFS),forfeatureselection.Specifically,weselectthosefeaturessuchthatthemulti-cluster/classstructureofthedatacanbebestpreserved.Thecorrespondingoptimizationproblemcanbeefficientlysolvedsinceitonlyinvolvesasparseeigen-problemandaL1-regularizedleastsquaresproblem.ItisimportanttonotethatMCFScanbeappliedinsuperised,unsupervisedandsemi-supervisedcases.Ifyoufindthesealgoirthmsuseful,weappreciateitverymuchifyoucanciteourfollowingworks:PapersDengCai,ChiyuanZhang,XiaofeiHe,"UnsupervisedFeatureSelectionforMulti-clusterData",16thACMSIGKDDConferenceonKnowledgeDiscoveryandDataMining(KDD'10),July2010.BibtexsourceXiaofeiHe,DengCai,andParthaNiyogi,"LaplacianScoreforFeatureSelection",AdvancesinNeuralInformationProcessingSystems18(NIPS'05),Vancouver,Canada,2005Bibtexsource
2023/11/13 1:03:27 5KB featur
WAV用于百度语音测试文件,也可用于其他功能的测试。
WAV用于百度语音测试文件,也可用于其他功能的测试。
2023/11/12 22:18:10 4KB wav 百度语音
手写数字识别所需要的MNIST数据集,已经转换为CSV格式,可以直接使用
2023/11/12 13:51:26 14.76MB TensorFlow MNIST数据集 手写数字识别
NSGA2算法,MATLAB实现,自定义目标函数,封装完整。
更多内容请访问http://www.omegaxyz.com/
2023/11/12 3:53:55 17KB NSGA2
完整可直接运行的小波神经网络程序,有注释,很容易看懂
2023/11/12 0:24:10 3KB 小波神经网络
超像素分割为图像分割,图像处理的基础,文件为MATLAB和C混编的代码,demo为主程序,运行demo主程序进行超像素分割。
2023/11/11 17:18:39 2.3MB 超像素 图像分割 超像素分割
介绍Weka的主要原因是初学者可以使用图形界面进行应用机器学习,而无需进行任何编程。
这是一件大事,因为处理流程,处理数据和尝试算法是初学者应该学习的内容,而不是学习另一种脚本语言。
2023/11/11 17:53:39 63.01MB weka
Gurobi可以解决的数学问题:线性问题(Linearproblems)二次型目标问题(Quadraticproblems)混合整数线性和二次型问题(Mixedintegerlinearandquadraticproblems)突出的性价比。
2023/11/11 14:48:11 143.77MB gurobi
人脸检测样本库、人脸样本、非人脸样本;
人脸样本有2000+、非人脸样本4000+;
大小归一化为19×19
2023/11/11 3:56:50 3.44MB 人脸样本 非人脸样本
RatSLAM的bag文件提取资源
2023/11/11 1:18:50 289.3MB bag ros slam
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