ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,505,738, issued on Dec. 23, was assigned to LEOTEK Corp. (Taipei, Taiwan).

"System for controlling traffic signal and method thereof" was invented by Heng-An Tzou (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling traffic signal provided by the present disclosure, comprises: obtaining an intersection image; identifying types of multiple objects in the intersection image; counting the types of the multiple objects, to generate at least one vehicle position layer, a pedestrian layer and an object speed layer corresponding to the types of the multiple objects; encoding the foresaid multiple layers, to respectively gener...