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Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Björn Hoffmeister0
Ming Sun0
Shiv Naga Prasad Vitaladevuni0
Varun Kumar Nagaraja0
Date of Patent
March 21, 2017
Patent Application Number
14751975
Date Filed
June 26, 2015
Patent Citations Received
0
0
Patent Primary Examiner
Patent abstract
A revised support vector machine (SVM) classifier is offered to distinguish between true keywords and false positives based on output from a keyword spotting component of a speech recognition system. The SVM operates on a reduced set of feature dimensions, where the feature dimensions are selected based on their ability to distinguish between true keywords and false positives. Further, support vectors pairs are merged to create a reduced set of re-weighted support vectors. These techniques result in an SVM that may be operated using reduced computing resources, thus improving system performance.
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