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Public Software

pLSA

Probabilistic Latent Semantic Analysis of Imaging Mass Spectrometry Data in MATLAB
M. Hanselmann, M. Kirchner, Bernhard Renard, and Fred A. Hamprecht

This package contains MATLAB code to perform a probabilistic Latent Semantic Analysis of Imaging Mass Spectrometry Data. In contrast to other unsupervised methods like Principal Component Analysis or Independent Component Analysis this method accounts for the non-negativity of mass spectra. A simple peak-picker based on local maximum detection is included for feature extraction.

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Last update: 08.10.2010, 11:00
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