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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Upendra V. Chaudhari0
Ganesh N. Ramaswamy0
Date of Patent
April 22, 2008
Patent Application Number
10917992
Date Filed
August 13, 2004
Patent Primary Examiner
Patent abstract
The present invention describes a framework for the analytical and visual analysis and tuning of complex speaker verification systems guided by a policy finite state machine. The Receiver Operating Curve associated with the acoustic speaker recognition task is transformed into a multi-dimensional Receiver Operating Map (ROM), which results from a probabilistic analysis of the policy state machine. A Detection Cost Function (DCF) Map can be similarly generated. Results indicating that optimization over this surface (or the ROM) is an appropriate way to set thresholds are given.
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