US Patent Issued to QUALCOMM on March 31 for "Using light and shadow in vision-aided precise positioning" (California Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,994, issued on March 31, was assigned to QUALCOMM Inc. (San Diego).

"Using light and shadow in vision-aided precise positioning" was invented by Yuxiang Peng (Sunnyvale, Calif.), Gengsheng Zhang (Cupertino, Calif.), Ning Luo (Cupertino, Calif.) and Yuhua Hu (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects presented herein may improve/enhance camera-aided/assisted positioning by utilizing light and shadow created by an artificial light. In one aspect, a UE captures a set of images of an object using at least one camera. The UE estimates a direction of at least one light source based on a shadow of the object in the set of im...