×

Automated quality assurance image processing system

  • US 5,537,483 A
  • Filed: 12/14/1993
  • Issued: 07/16/1996
  • Est. Priority Date: 10/03/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. An image processing system for automated quality control of converting optical images into corresponding digital data, said system comprising:

  • (a) sensing means for discriminating digital sensor signals corresponding to an image differential density of an image having a number of black bits (b) said digital sensor signals having a fill factor;

    (b) means for generating a quality quotient of black bits (b)/compressed bits (c);

    (c) compressing means for compressing said digital sensor signals to generate compressed signals, said compressed signals comprising (c) bits per image and defining a compression ratio, wherein a product of said compression ratio and said fill factor which is equal to a quality quotient of b/c, said quotient being related to resolution and quality of information rather than quantity of information in said image; and

    (d) quality assurance means coupled to said sensing means and said compressing means for generating a quality assurance parameter dependent on said fill factor and said compression ratio, said quality assurance parameter being indicative of the quality of said image.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×