Method for calibrating a digital camera to a PC monitor to enhan

Details Method for calibrating a digital camera to a PC monitor to enhan Method for calibrating a digital camera to a PC monitor to enhan

1997-01-23

1999-06-29

Barlow, John

Data processing: measuring, calibrating, or testing

Calibration or correction system

348231, 348333, 358504, 3589091, G01K 1900

Patent

active

059181923

ABSTRACT:
Images captured by a digital camera can be enhanced to account for distortions due to the camera itself and due to the monitor on which images will be displayed. First, a camera basis set, which is the response of the camera to a reference monitor when pixels are illuminated thereon, is constructed. The camera basis set will not change for a given camera. For a given end-user monitor, calibration software likewise constructs a display basis set. The display basis set will not change for a given monitor. Capture images are thereafter enhanced by first curve fitting the captured image to the camera basis set, which results in a coefficient space. The coefficient space is applied to the display basis set to construct the enhanced image which is output to the monitor.

REFERENCES:
patent: 4754329 (1988-06-01), Lindsay et al.
patent: 4928300 (1990-05-01), Ogawa et al.
patent: 5574664 (1996-11-01), Feasey
patent: 5606365 (1997-02-01), Maurinus et al.
patent: 5633678 (1997-05-01), Parulski et al.

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