About: Unsupervised (parameter) learning for MRFs on bipartite graphs     Goto   Sponge   NotDistinct   Permalink

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Description
  • We consider unsupervised (parameter) learning for general Markov random fields on bipartite graphs. This model class includes Restricted Boltzmann Machines. We show that besides the widely used stochastic gradient approximation (a.k.a. Persistent Con- trastive Divergence) there is an alternative learning approach - a modified EM algorithm which is tractable because of the bipartiteness of the model graph. We compare the re- sulting double loop algorithm and the PCD learning experimentally and show that the former converges faster and more stable than the latter.
  • We consider unsupervised (parameter) learning for general Markov random fields on bipartite graphs. This model class includes Restricted Boltzmann Machines. We show that besides the widely used stochastic gradient approximation (a.k.a. Persistent Con- trastive Divergence) there is an alternative learning approach - a modified EM algorithm which is tractable because of the bipartiteness of the model graph. We compare the re- sulting double loop algorithm and the PCD learning experimentally and show that the former converges faster and more stable than the latter. (en)
Title
  • Unsupervised (parameter) learning for MRFs on bipartite graphs
  • Unsupervised (parameter) learning for MRFs on bipartite graphs (en)
skos:prefLabel
  • Unsupervised (parameter) learning for MRFs on bipartite graphs
  • Unsupervised (parameter) learning for MRFs on bipartite graphs (en)
skos:notation
  • RIV/68407700:21230/13:00212637!RIV15-GA0-21230___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GAP202/12/2071)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 112714
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21230/13:00212637
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • MRF; parameter learning; pseudo-likelihood; EM algorithm (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [1E4842846A28]
http://linked.open...v/mistoKonaniAkce
  • Bristol
http://linked.open...i/riv/mistoVydani
  • London
http://linked.open...i/riv/nazevZdroje
  • BMVC2013: Proceedings of the British Machine Vision Conference
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Flach, Boris
  • Sixta, Tomáš
http://linked.open...vavai/riv/typAkce
http://linked.open...ain/vavai/riv/wos
  • 000346352700069
http://linked.open.../riv/zahajeniAkce
number of pages
http://bibframe.org/vocab/doi
  • 10.5244/C.27.72
http://purl.org/ne...btex#hasPublisher
  • British Machine Vision Association
https://schema.org/isbn
  • 1-901725-49-9
http://localhost/t...ganizacniJednotka
  • 21230
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