Camera control device

Details Camera control device Camera control device

1996-12-27

1998-05-05

Perkey, W. B.

Photography

Eye tracking

G03B 1302

Patent

active

057489920

ABSTRACT:
A camera control device is provided with a determination device for dividing the image frame into plural areas including a central area and determining the object distance in each of the areas; a focal length detecting device for detecting the focal length of a phototaking lens; an eye-gaze direction detecting device for detecting the position of the eye-gaze of the user, corresponding to one of the areas of the image frame, thereby specifying the area desired by the user; a phototaking magnification calculating device for calculating the phototaking magnification in each of the areas, based on the output of the focal length detecting device and that of the determination device; and an area selecting device for selecting either the central area in case the phototaking magnification in the central area, calculated by the above-mentioned calculating device exceeds a predetermined value, or an area specified by the eye-gaze direction detecting device in case the above-mentioned predetermined value is not exceeded.

REFERENCES:
patent: 4574314 (1986-03-01), Weinblatt
patent: 4836670 (1989-06-01), Hutchinson
patent: 5003339 (1991-03-01), Kikuchi et al.
patent: 5036347 (1991-07-01), Tsunekawa et al.
patent: 5291234 (1994-03-01), Shindo et al.
patent: 5296888 (1994-03-01), Yamada
patent: 5333029 (1994-07-01), Uchiyama et al.
patent: 5515130 (1996-05-01), Tsukahara et al.

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