Method and apparatus for identifying constituent signal...

Details Method and apparatus for identifying constituent signal... Method and apparatus for identifying constituent signal...

2005-08-30

2005-08-30

Hindenburg, Max F. (Department: 3736)

Surgery

Diagnostic testing

Sensitivity to electric stimulus

Reexamination Certificate

active

06936012

ABSTRACT:
A novel application of independent component analysis (ICA) to data acquired by a single sensor. The technique exploits the unique relationship between multiple physiologic (source) and electronic (artifact) components in surface recorded sensory nerve action potential (SNAP) waveforms that are evoked by different activating magnitudes. A forward model of the SNAP is developed and used to test the approach on a simplified data simulation. The method is applied to experimental data and shown to be effective at separating artifact and source components and reconstructing artifact-free traces. A method of automated reconstruction for use within an expert system is also disclosed.

REFERENCES:
patent: 5383164 (1995-01-01), Sejnowski et al.
patent: 6544170 (2003-04-01), Kajihara et al.
patent: 2003/0093006 (2003-05-01), Wells et al.
patent: 2004/0111220 (2004-06-01), Ochs et al.
patent: WO 200213906 (2002-02-01), None

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