ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,023, issued on March 17, was assigned to HEWLETT-PACKARD DEVELOPMENT COMPANY LP (Spring, Texas).
"Greyscale images" was invented by Gideon Amir (Ness Ziona, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an example, a method includes, by one or more processors, acquiring a dot pattern having a distribution of dots. A greyscale image comprising a plurality of pixels each associated with a greyscale value may be derived from the dot pattern. Deriving the greyscale image may comprise assigning a greyscale value to each pixel, wherein the greyscale value is based on the distance associated with that pixel."
The patent was filed on July 18, 2...