Removing noise from feature vectors
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United States of America Patent
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Nov 11, 2008
Grant Date -
Nov 17, 2005
app pub date -
Jul 20, 2005
filing date -
Mar 20, 2001
priority date (Note) -
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Abstract
A method and computer-readable medium are provided for identifying clean signal feature vectors from noisy signal feature vectors. One aspect of the invention includes using an iterative approach to identify the clean signal feature vector. Another aspect of the invention includes using the variance of a set of noise feature vectors and/or channel distortion feature vectors when identifying the clean signal feature vectors.
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