Medical diagnostic apparatus utilizing line-of-sight detection

Details Medical diagnostic apparatus utilizing line-of-sight detection Medical diagnostic apparatus utilizing line-of-sight detection

1992-12-18

1994-04-26

Hindenburg, Max

Surgery

Truss

Pad

A61B 1300

Patent

active

053057643

ABSTRACT:
In the medical diagnostic apparatus employing line-of-sight detection, eye movement and head movement of a subject are detected by eye movement detecting portion and head movement detecting portion, respectively, and images of the field of view of the subject are picked up by a TV camera. A calculating portion calculates a locus of the line-of-sight, a locus of the eye movement, the locus of the head movement, and vectors of spatial movement of the line-of-sight in response to the detected eye movement and the head movement. An image processing portion reduces the picked up image, a superimposer superimposes the images of the loci, the vector images and the images of the reduced field of view on each other, and the resulting images are displayed on a CRT display.

REFERENCES:
patent: 4158920 (1979-06-01), Walker
patent: 4838681 (1989-06-01), Pavlidis
patent: 4848340 (1989-07-01), Bille et al
patent: 5070883 (1991-12-01), Kasahara

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