Title: Monitoring the formation of kernel-based topographic maps with application to hierarchical clustering of music signals
Authors: Van Hulle, Marc ×
Gautama, Temujin #
Issue Date: 2002
Series Title: Journal of VLSI signal processing vol:32 issue:1-2 pages:119-134
Conference: date:Katholieke Univ Leuven, Lab Neuro & Psychofysiol, Sch Med, B-3000 Louvain, Belgium
Abstract: When using topographic maps for clustering purposes, which is now being considered in the data mining community, it is crucial that the maps are free of topological defects. Otherwise, a contiguous cluster could become split into separate clusters. We introduce a new algorithm for monitoring the degree of topology preservation of kernel-based maps during learning. The algorithm is applied to a real-world example concerned with the identification of 3 musical instruments and the notes played by them, in an unsupervised manner, by means of a hierarchical clustering analysis, starting from the music signal's spectrogram.
ISSN: 0922-5773
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Research Group Neurophysiology
× corresponding author
# (joint) last author

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