Thomas Schaaf
Carnegie Mellon University
34 Papers
325 Citations
Thomas Schaaf is an academic researcher from Carnegie Mellon University. The author has contributed to research in topics: Computer science & Language model. The author has an hindex of 17, co-authored 34 publications. Previous affiliations of Thomas Schaaf include Karlsruhe Institute of Technology.
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Papers
Confidence measures for spontaneous speech recognition
Thomas Schaaf,Thomas Kemp +1 more
- 21 Apr 1997
TL;DR: The development of the measure of the confidence tagger JANKA, which is able to provide confidence information for the words at the output of the speech recognizer JANUS-3-SR, is described.
A pattern learning approach to question answering within the ephyra framework
Nico Schlaefer,Petra Gieselmann,Thomas Schaaf,Alex Waibel +3 more
- 11 Sep 2006
TL;DR: The Ephyra question answering engine as mentioned in this paper is a modular and extensible framework that allows to integrate multiple approaches to question answering in one system and can be adapted to languages other than English by replacing language specific components.
Speaker adaptation with all-pass transforms
TL;DR: The capacity of APT-based speaker adaptation to achieve word error rate reductions superior to those obtained with other popular adaptation techniques, and moreover, reductions that are additive with those provided by VTLN are demonstrated.
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Multilingual Speech Recognition
Alex Waibel,Hagen Soltau,Tanja Schultz,Thomas Schaaf,Florian Metze +4 more
- 01 Jan 2000
TL;DR: In this article, the authors describe the challenges of multilingual speech recognition and presents different solutions to the problem of automatic language identification task, which results in a flexible and user-friendly multilingual spoken dialog system.
Lecture and presentation tracking in an intelligent meeting room
I. Rogina,Thomas Schaaf +1 more
- 14 Oct 2002
TL;DR: A tracking accuracy measure is defined which measures how well a system can automatically align recognized words with parts of a presentation and shows that by prior exploitation of the presented documents, the tracking accuracy can be improved.
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