Visible and infrared imaging apparatus with movement detecting c

Details Visible and infrared imaging apparatus with movement detecting c Visible and infrared imaging apparatus with movement detecting c

1995-03-07

1997-09-16

Apley, Richard J.

Surgery

Endoscope

With camera or solid state imager

600921, 600160, 348 70, 348620, A61B 1045

Patent

active

056674740

ABSTRACT:
A field sequential image pickup apparatus which prevents misregistration in color pictures with respect to a visible freeze image and improves the S/N of an infrared image with respect to a movement of an object of observation. R (red), G (green), B (blue) and infrared light beams are sequentially projected from a color disk provided with filters for visible light and a filter for infrared light, and a CCD sequentially generates R, G, B picture signals and infrared picture signals. A movement detection circuit detects a movement in the object from the picture signals. When there is a movement, a freeze operation is inhibited with respect to a visible image, while executing it when there is no movement. With respect to an infrared image, a noise reducing operation is suppressed when there is a movement, while fully executing it when there is no movement.

REFERENCES:
patent: 4367490 (1983-01-01), Riederer
patent: 4882619 (1989-11-01), Hasegawa et al.
patent: 5161018 (1992-11-01), Matsunaga
patent: 5164824 (1992-11-01), Ieoka et al.

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