Frequency division, energy comparison, source detection signal p

Details Frequency division, energy comparison, source detection signal p Frequency division, energy comparison, source detection signal p

1993-03-16

1995-07-11

Boudreau, Leo H.

Image analysis

Pattern recognition

Feature extraction

73648, 364484, 381 45, 382191, G06K 900, G10L 500

Patent

active

054328624

ABSTRACT:
A frequency division, energy comparison, source detection signal processing system which decomposes a wide-band signal into a plurality of narrow frequency band components, generates the energy envelope of each of those narrow band components, determines the envelope correlation coefficients, and detects the presence of a source contributing to the wide-band signal from the correlation coefficients.

REFERENCES:
patent: 4383135 (1983-05-01), Scott et al.
patent: 5119432 (1992-06-01), Hirsch
patent: 5261007 (1993-11-01), Hirsch

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