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Systems and methods that determine an image processing system tone reproduction curve

  • US 6,842,266 B1
  • Filed: 02/25/2000
  • Issued: 01/11/2005
  • Est. Priority Date: 02/25/2000
  • Status: Expired due to Fees
First Claim
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1. A system that determines an image processing system tone reproduction curve comprising:

  • an image processing system that dynamically adjusts an image processing system tone reproduction curve for a reproduction curve gray level value based on at least one of an image source identification and an image sink identification, the image processing system comprising;

    a reflectance determination device that determines a reflectance value based on a system tone reproduction curve within a bounded-domain piecewise-continuous relation, and a gray level determination device that determines a system gray level value, determines the reproduction curve gray level value, and aligns the system gray level value with a system tone reproduction curve gain value to produce an updated reproduction gray level value.

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