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Niya Wang

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JMLR Journal 2013 Journal Article

The CAM Software for Nonnegative Blind Source Separation in R-Java

  • Niya Wang
  • Fan Meng
  • Li Chen
  • Subha Madhavan
  • Robert Clarke
  • Eric P. Hoffman
  • Jianhua Xuan
  • Yue Wang

We describe a R-Java CAM (convex analysis of mixtures) package that provides comprehensive analytic functions and a graphic user interface ( GUI ) for blindly separating mixed nonnegative sources. This open-source multiplatform software implements recent and classic algorithms in the literature including Chan et al. (2008), Wang et al. (2010), Chen et al. (2011a) and Chen et al. (2011b). The CAM package offers several attractive features: (1) instead of using proprietary MATLAB, its analytic functions are written in R, which makes the codes more portable and easier to modify; (2) besides producing and plotting results in R, it also provides a Java GUI for automatic progress update and convenient visual monitoring; (3) multi-thread interactions between the R and Java modules are driven and integrated by a Java GUI, assuring that the whole CAM software runs responsively; (4) the package offers a simple mechanism to allow others to plug-in additional R -functions. [abs] [ pdf ][ bib ] [ code ] &copy JMLR 2013. ( edit, beta )

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