Target follow-up device and camera comprising the same

Details Target follow-up device and camera comprising the same Target follow-up device and camera comprising the same

1994-08-16

1996-04-30

Perkey, W. B.

Television

Special applications

Simulator

348169, G03B 1700, H04N 5232

Patent

active

055129749

ABSTRACT:
The target follow-up device of the present invention is adapted quickly and reliably to follow up the position of a target which is moving at high speed. It incorporates an imaging sensor having a number of imaging elements, which performs photometry over the photographic field and which outputs input image data. Based upon this imaging sensor output, input image data for the target to be followed up are stored as reference image data by a memory device. Based upon minimum residue calculation between the input image data and the reference image data, the target follow-up device of the present invention determines the position of the target. In this determination operation, the target follow-up device selects at least one color from a plurality of colors contained in common by the input image data and the reference image data, and calculates the minimum residue for the selected color component.

REFERENCES:
patent: 5031049 (1991-07-01), Toyama et al.
patent: 5204749 (1993-04-01), Toyama et al.
patent: 5416513 (1995-05-01), Morisaki
Patent Abstract of Japanese reference No. 57-129590, Aug. 1992.
Patent Abstract of Japanese reference No. 57-138278, Aug. 1992.
Patent Abstract of Japanese reference No. 57-147073, Sep. 1982.
Patent Abstract of Japanese reference No. 57-141723, Sep. 1982.
Patent Abstract of Japanese reference No. 58-22975, Feb. 1983.
Patent Abstract of Japanese reference No. 1-277829, Nov. 1989.
Patent Abstract of Japanese reference No. 4-132374, May 1992.
Patent Abstract of Japanese reference No. 2-87876, Mar. 1990.
Patent Abstract of Japanese reference No. 3-251806, Nov. 1991.

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