Search Results for author: Hansi Jiang

Found 6 papers, 1 papers with code

Sampling Method for Fast Training of Support Vector Data Description

no code implementations16 Jun 2016 Arin Chaudhuri, Deovrat Kakde, Maria Jahja, Wei Xiao, Hansi Jiang, Seunghyun Kong, Sergiy Peredriy

Support Vector Data Description (SVDD) is a popular outlier detection technique which constructs a flexible description of the input data.

Outlier Detection

Peak Criterion for Choosing Gaussian Kernel Bandwidth in Support Vector Data Description

no code implementations17 Feb 2016 Deovrat Kakde, Arin Chaudhuri, Seunghyun Kong, Maria Jahja, Hansi Jiang, Jorge Silva

For example, it is observed that with a Gaussian kernel, as the value of kernel bandwidth is lowered, the data boundary changes from spherical to wiggly.

General Classification Outlier Detection

Modularity Component Analysis versus Principal Component Analysis

no code implementations19 Oct 2015 Hansi Jiang, Carl Meyer

In this paper the exact linear relation between the leading eigenvectors of the modularity matrix and the singular vectors of an uncentered data matrix is developed.

Relations Between Adjacency and Modularity Graph Partitioning

no code implementations9 May 2015 Hansi Jiang, Carl Meyer

In this paper the exact linear relation between the leading eigenvector of the unnormalized modularity matrix and the eigenvectors of the adjacency matrix is developed.

graph partitioning

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