Imaging apparatus and image signal processing device

Details Imaging apparatus and image signal processing device Imaging apparatus and image signal processing device

2011-06-07

2011-06-07

Porta, David P (Department: 2884)

Radiant energy

Infrared-to-visible imaging

Including detector array

C250S330000, C250S334000

Reexamination Certificate

active

07956325

ABSTRACT:
Infrared light emitted by a fluorescent material is weak. When an infrared image obtained by this fluorescent material is superposed and displayed on a visible-light image, the infrared image is made clear. A signal <IR> of an IR pixel having selective sensitivity to infrared light is subtracted from RGB pixel signals <R>, <B>, and <G> of a solid-state image sensor by adders (20), and signals R0, G0, and B0that correspond to the R, G, and B components of incident light within <R>, <G>, and <B> are separated and extracted. <IR> is multiplied by each of the gains κR, κG, and κBto enhance the IR component by multipliers (22), and each is synthesized with R0, G0, and B0by adders (24). κR, κG, and κBare set so that the infrared image displayed on the visible-light image by the synthesized IR component is enhanced and displayed in a hue that can be distinguished from the color white or another visible-light image.

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