US Patent Issued to L'Oreal on Nov. 3 for "Methods and systems for virtual hair coloring" (Canadian Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,784,398, issued on Nov. 3, was assigned to L'Oreal (Paris).

"Methods and systems for virtual hair coloring" was invented by Tsz To Tang (Scarborough, Canada) and Benzakhar Manashirov (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided methods and systems for a hair virtual try on. Gray levels from a swatch image and gray levels from a hair portion of an input image are mapped by matching their respective frequencies to establish a map relationship between the swatch image and the hair portion, wherein the gray levels of the swatch image are associated to respective swatch color values. A pixel in the hair portion is colored based on...