Optimization of detection systems using a detection error...

Details Optimization of detection systems using a detection error... Optimization of detection systems using a detection error...

2002-05-19

2008-09-09

Dorvil, Richemond (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

C704S248000, C704S250000

Reexamination Certificate

active

07424425

ABSTRACT:
In detection systems, such as speaker verification systems, for a given operating point range, with an associated detection “cost”, the detection cost is preferably reduced by essentially trading off the system error in the area of interest with areas essentially “outside” that interest. Among the advantages achieved thereby are higher optimization gain and better generalization. From a measurable Detection Error Tradeoff (DET) curve of the given detection system, a criterion is preferably derived, such that its minimization provably leads to detection cost reduction in the area of interest. The criterion allows for selective access to the slope and offset of the DET curve (a line in case of normally distributed detection scores, a curve approximated by mixture of Gaussians in case of other distributions). By modifying the slope of the DET curve, the behavior of the detection system is changed favorably with respect to the given area of interest.

REFERENCES:
patent: 5121428 (1992-06-01), Uchiyama et al.
patent: 5689616 (1997-11-01), Li
patent: 5717826 (1998-02-01), Setlur et al.
patent: 5839103 (1998-11-01), Mammone et al.
patent: 5842161 (1998-11-01), Cohrs et al.
patent: 6029124 (2000-02-01), Gillick et al.
patent: 6411930 (2002-06-01), Burges
patent: 6539352 (2003-03-01), Sharma et al.

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