Television – Camera – system and detail – Combined image signal generator and general image signal...
Patent
1996-02-29
1997-09-16
Hsia, Sherrie
Television
Camera, system and detail
Combined image signal generator and general image signal...
348266, 348273, H04N 5228
Patent
active
056685963
ABSTRACT:
A digital imaging device captures an image and generates a color signal from the image for application to an output device having specific color sensitivities, the imaging device further being one of many devices of the same type useful with the output device. The digital imaging device, for example a digital camera, includes a color sensor for capturing the image and generating a color signal from the captured image, the color sensor having predetermined spectral sensitivities, and an optical section that is interposed in the image light directed to the color sensor, the optical section also having predetermined spectral characteristics. The combination of the spectral sensitivities of the color sensor and the spectral characteristics of the optical section uniquely distinguish this particular imaging device from other imaging devices of the same type. By providing a set of matrix coefficients uniquely determined for this imaging device, the matrix coefficients optimally correct the spectral sensitivities of the color sensor and the spectral characteristics of the optical section for the color sensitivities of the output device.
REFERENCES:
patent: 5001663 (1991-03-01), Parulski et al.
patent: 5016107 (1991-05-01), Sasson et al.
patent: 5189511 (1993-02-01), Parulski et al.
patent: 5253047 (1993-10-01), Machishima
"Color Science in Television and Display Systems" by W.N. Sproson, 1983, pp. 27-39.
CIE publication 15.2 (1986) "Colorimetry--Second Edition", pp. 21-24, 66-67.
ICC Profile Format Specification (Version 3.2, Nov. 20, 1995) published By The International Color Consortium, pp. 24-26.
"Getting Color in Sync" Bruce Fraser. MacUser, Apr. 1996. (available Feb. 1996).
U.S. application No. 08/569,645, Spaulding et al., filed Dec. 8, 1995.
Eastman Kodak Company
Hsia Sherrie
Woods David M.
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