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POLARMAP - Efficient Visualisation of High Dimensional Data
London, England July 05-July 07
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/IV.2006.85Tenth International Conference on Inf ...
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Frank Rehm, German Aerospace Center, Germany
Frank Klawonn, University of Applied Sciences of Braunschweig/Wolfenbuettel, Germany
Rudolf Kruse, Otto-von-Guericke-University of Magdeburg, Germany
Multidimensional scaling provides low-dimensional visualisation of high-dimensional feature vectors. This is a very important step in data preprocessing because it helps the user to appraise which methods to use for further data analysis. But a well known problem with conventionalMDS is the quadratic need of space and time. Beside this, a transformation of MDS must be completely recomputed if additional feature vectors have to be considered. The POLARMAP algorithm, presented in this paper, learns a function, similar to NeuroScale, but with lower computational costs, that maps high-dimensional feature vectors to a 2- dimensional feature space. With the obtained function even new feature vectors can be mapped to the target space.
Index Terms:
Visualisation, Multidimensional Scaling, Sammon?s Mapping.
Citation:
Frank Rehm, Frank Klawonn, Rudolf Kruse, "POLARMAP - Efficient Visualisation of High Dimensional Data," iv, pp.731-740, Tenth International Conference on Information Visualisation (IV'06), 2006
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