Apparatus capable of figure-ground segregation

Details Apparatus capable of figure-ground segregation Apparatus capable of figure-ground segregation

1990-12-31

1994-02-01

Razavi, Michael T.

Image analysis

Histogram processing

For setting a threshold

382 9, 382 14, 395 21, 348 25, G06K 962, G06K 934, H04N 718

Patent

active

052838390

ABSTRACT:
Apparatus which segments visual scenes into discrete objects. The apparatus is able to perceptually group the elements corresponding to a coherent figure, and to segregate them from the background or from another figure. Reentrant signaling among rhythmically active neuronal groups is used to correlate responses along spatially extended contours. The efficacy of the connections is allowed to change on a fast time scale resulting in active reentrant connections which amplify the correlations among neuronal groups and provides the desired segmentation.

REFERENCES:
patent: 4739401 (1988-04-01), Sacks et al.
patent: 4931868 (1990-06-01), Kadar
patent: 4937878 (1990-06-01), Lo et al.
patent: 5034986 (1991-07-01), Karmann et al.
patent: 5067160 (1991-11-01), Omata et al.
Sporns et al., "Reentrant Signaling among Simulated Neuronal Groups leads to Coherency in their Oscillatory Activity", 86 Proc. Natl. Acad. Sci. USA, pp. 7265-7269, Sep. 1989.

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