Feature extraction apparatus and method and pattern...

Details Feature extraction apparatus and method and pattern... Feature extraction apparatus and method and pattern...

2006-10-03

2006-10-03

Lerner, Martin (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

C704S236000, C704S245000, C382S159000

Reexamination Certificate

active

07117151

ABSTRACT:
It is intended to increase the recognition rate in speech recognition and image recognition. An observation vector as input data, which represents a certain point in the observation vector space, is mapped to a distribution having a spread in the feature vector space, and a feature distribution parameter representing the distribution is determined. Pattern recognition of the input data is performed based on the feature distribution parameter.

REFERENCES:
patent: 5704004 (1997-12-01), Li et al.
patent: 5754681 (1998-05-01), Watanabe et al.
patent: 5960397 (1999-09-01), Rahim
patent: 6910010 (2005-06-01), Iwahashi et al.

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