Nonlinear resistive network for isolating outliers in sensor ima

Details Nonlinear resistive network for isolating outliers in sensor ima Nonlinear resistive network for isolating outliers in sensor ima

1992-06-26

1998-11-03

Boudreau, Leo

Image analysis

Pattern recognition

Template matching

382254, 348241, G06K 964

Patent

active

058321179

ABSTRACT:
A nonlinear resistive network, which includes switches in the data paths, is provided for identifying, isolating, and/or rejecting outliers in a sensor image. During normal operation, images are received with all the switches in a closed (conducting) state. If the data at a given pixel is different from its immediate neighbors by a predetermined threshold voltage, its switch is opened. A readout of the state of all the switches in the network yields a map of points sources, and a readout of the network voltages yields a noise-free image. Because the threshold voltage can be controlled externally, various strategies may be implemented for identification of the outliers in a computer vision system.

REFERENCES:
patent: 5062000 (1991-10-01), Harris et al.
patent: 5218440 (1993-06-01), Mathur
Harris et al., "Discarding Outliers Using a Nonlinear Resistive Network", Feb. 1, 1991 pp. 501-506.

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