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Interactive method and system for color characterization and calibration of display device

  • US 5,638,117 A
  • Filed: 11/14/1994
  • Issued: 06/10/1997
  • Est. Priority Date: 11/14/1994
  • Status: Expired due to Term
First Claim
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1. A system for determining color rendition in an imaging device, comprising:

  • a brightness reference providing a first black reference area and a first white reference area;

    a gamma reference providing a halftone reference area and a continuous tone reference area;

    a black point reference providing a second black reference area and a color intensity reference area;

    a contrast reference providing a gray reference area;

    a white point correlated color temperature reference providing a second white reference area; and

    a matching card having known visual characteristics under a prescribed light source for comparing with a selected subset of the references.

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