文件名称:LEM-Algorithm
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- 上传时间:2016-03-26
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文件大小:470.62kb
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LEM(拉普拉斯特征映射)算法,拉普拉斯特征映射是基于局部邻域,保持局部结构的流形学习方法。LEM通过一个无向加权图刻画流形上数据点间的近邻关系,图的顶点为原始数据点,图的边对应点之间的近邻关系,边的权值对应近邻点之间的相似程度(也可以是某种距离),LEM在低维嵌入空间中尽量保持图中数据点之间的近邻关系,然后求取嵌入坐标。通俗的说,LEM认为在高维数据空间离得近的点在低维嵌入空间也应该离得近-LEM (Laplace feature mapping) algorithm, Laplace feature mapping is based on a local neighborhood, holding manifold learning method local structure. LEM through a non-weighted graph depicts flow to form a neighbor relationship between data points, the graph' s vertex to the original data points, corresponding points edge neighbor relationship graph between the edge weights corresponding to the degree of similarity between neighboring points ( may be some distance), LEM keep neighbor relationship diagram between the data points in a low dimensional embedding space, and then strike embedding coordinates. Popular to say, LEM believes in high-dimensional data space be closer point in the low-dimensional embedding space should be closer
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下载文件列表
LEM/1.mat
LEM/2a.mat
LEM/2b.mat
LEM/2c.mat
LEM/2d.mat
LEM/4a.mat
LEM/Jain.mat
LEM/k_means.m
LEM/LE.m
LEM/LEM.jpg
LEM/LEM2_para15_4_2jpg.jpg
LEM/LEM_test1.m
LEM/R15.mat
LEM
LEM/2a.mat
LEM/2b.mat
LEM/2c.mat
LEM/2d.mat
LEM/4a.mat
LEM/Jain.mat
LEM/k_means.m
LEM/LE.m
LEM/LEM.jpg
LEM/LEM2_para15_4_2jpg.jpg
LEM/LEM_test1.m
LEM/R15.mat
LEM
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