US Patent Issued to Wuhan Yuwei Optical Software on Feb. 17 for "Curvilinear polygon image scaling method, system and electronic apparatus" (Chinese Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,184, issued on Feb. 17, was assigned to Wuhan Yuwei Optical Software Co. Ltd. (Hubei, China).

"Curvilinear polygon image scaling method, system and electronic apparatus" was invented by Haiqing Wei (Hubei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The curvilinear polygon image scaling method includes: placing partial derivatives at points on edges of a curvilinear polygon image to obtain a vector gradient field; integrating the vector gradient field to obtain an auxiliary grayscale image; segmenting the edges; modulating, on the auxiliary grayscale image, to grayscale values of edgelets based on the image scaling parameter and vector grad...