Dr. Oliver Walter

Nachrichtentechnik (NT) / Heinz Nixdorf Institut

Ehemaliger

Forschung & Lehre

Weitere Informationen

Forschungsschwerpunkte

  • Mobilkommunikation
  • Inertialnavigation
  • Sensordatenfusion
  • Statistische Lernverfahren
  • Maschinelles Lernen
  • Unüberwachtes Lernen
  • Unüberwachter Spracherwerb
  • Spracherkennung

Software

LatticeWordSegmentation

Software to apply unsupervised word segmentation on lattices or text sequences using a nested hierarchical Pitman-Yor language model

 

nhpylm

C++ implementation of nested hierarchical Pitman-Yor language model with python bindings

 

amdtk_feature_transform

kaldi egs to extract LDA and fmllr transformed features from the amdtk unit discovery result

 

amdtk

cleaned up recipes for amdtk for the xitsonga and wsj databases with NMI evaluation, bigram training, word segmentation and segment extraction