Calibration method for color film inspection system

Details Calibration method for color film inspection system Calibration method for color film inspection system

1987-06-18

1988-04-05

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 80, H04N 146

Patent

active

047362456

ABSTRACT:
The conventional color film inspection system does not consider calibration of an image input unit at all. It therefore cannot maintain precision at a sufficiently high level against shifts caused by gains or offset fluctuation. This invention system can prevent deterioration in inspection precision against gain drift or offset drift as it is adapted to calibrate the input unit. Further, as this invention system can obtain in advance the correspondence between images displayed in the color film inspection system with images actually printed, the original images on a negative film, if once inspected optimally, can always be printed optimally.

REFERENCES:
patent: 4310848 (1982-01-01), Carter
patent: 4396940 (1983-08-01), Tanaka
patent: 4402015 (1983-08-01), Yamada
patent: 4467364 (1984-08-01), Konagaya
patent: 4534059 (1985-08-01), Yamada

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