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Samostatne organizujúca sa mapa (mapa Kohonena)×Lokálne lineárne vloženie (LLE)×
OdborStrojové učenieStrojové učenie
RodinaMachine learningMachine learning
Rok vzniku19822000
TvorcaTeuvo KohonenSam Roweis & Lawrence Saul
TypUnsupervised neural network for topology-preserving mappingNonlinear manifold dimensionality reduction
Pôvodný zdrojKohonen, T. (1982). Self-organized formation of topologically correct feature maps. Biological Cybernetics, 43(1), 59–69. DOI ↗Roweis, S. T., & Saul, L. K. (2000). Nonlinear dimensionality reduction by locally linear embedding. Science, 290(5500), 2323–2326. DOI ↗
Ďalšie názvySOM, Kohonen map, Kohonen network, öz-örgütlemeli haritaLLE, manifold learning, nonlinear dimensionality reduction, yerel doğrusal gömme
Príbuzné33
ZhrnutieA self-organizing map is an unsupervised neural network, introduced by Teuvo Kohonen in 1982, that projects high-dimensional data onto a low-dimensional (usually two-dimensional) grid of prototype vectors while preserving the data's topology — nearby inputs map to nearby grid cells. It is used for visualization, clustering, and exploratory analysis, turning complex data into an ordered, interpretable map.Locally linear embedding, introduced by Sam Roweis and Lawrence Saul in 2000, is a manifold-learning method for nonlinear dimensionality reduction. It assumes that although data may curve through a high-dimensional space, each point and its neighbours lie approximately on a flat patch. LLE captures each point as a weighted combination of its neighbours and then finds a low-dimensional layout that preserves those same local relationships, unrolling curved structure into a faithful low-dimensional map.
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ScholarGatePorovnať metódy: Self-Organizing Map · Locally Linear Embedding. Získané 2026-06-17 z https://scholargate.app/sk/compare