ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,705,773, issued on Aug. 11, was assigned to AVIDBOTS CORP.

"System and method of unsupervised stereo matching with surface normal assistance for indoor applications" was invented by Xiule Fan (Waterloo, Canada), Ali Jahani Amiri (Kitchener, Canada), Baris Fidan (Waterloo, Canada) and Soo Jeon (Waterloo, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for unsupervised stereo matching with surface normal assistance for indoor applications. According to the disclosure, a deep neural network with a feature extraction module, a normal branch, and a disparity branch is disclosed. The extraction module and the normal branch are traine...