US Patent Issued to CIENET TECHNOLOGIES (BEIJING) on Dec. 2 for "Shadow elimination method and apparatus for text image, and electronic device" (Chinese Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,427, issued on Dec. 2, was assigned to CIENET TECHNOLOGIES (BEIJING) Co. LTD. (Beijing).

"Shadow elimination method and apparatus for text image, and electronic device" was invented by Yuance Deng (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a shadow elimination method and apparatus for a text image, and an electronic device. The method comprises the following steps: converting a text image to be processed into a first grayscale image; performing convex height sorting processing on the first grayscale image to determine a background grayscale segmentation threshold of the first grayscale image and a text grayscale segmentatio...