Image signal amplifier

Details Image signal amplifier Image signal amplifier

1989-03-16

1990-12-04

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 2, 34082506, G06K 900

Patent

active

049759787

ABSTRACT:
In a real time image recognition circuit, an image signal amplifier recognizes mouth or eye movement by which different functions within an automobile, including operation of a radio, air conditioner, cruise control, door locks, sun roof, windows, wipers, lighter, headlights, and defroster may be controlled. Improved focusing on pertinent portions of a human head, such as eyes and mouth, lessens the need to compensate for contrast in ambient light conditions, and thus enhances recognizability.

REFERENCES:
patent: 4201977 (1980-05-01), Shimizu
patent: 4566125 (1986-01-01), Clunn
patent: 4712103 (1987-12-01), Gotanda
patent: 4754487 (1988-06-01), Newmuis

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