Browsing University of Hertfordshire by Author "Winkler, J."

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    • Visualization of incomplete data using class information constraints 

      Sun, Yi.; Tino, P.; Nabney, I. (Springer Nature, 2002)
      We analyse how the training algorithm for the Generative Topographic Mapping (GTM) can be modifed to use class information to improve results on incomplete data. The approach is based on an Expectation-Maximisation (EM) ...