US Patent 12114080 Display screen flicker detection

When multiple display screens share data from different control units, the screens may flicker or have other anomalies when the control units are not synced. A system and method for detecting flickering or other anomalies includes receiving a video feed of a display screen to be tested, recording, from the video feed, a video file of a predetermined length that includes a plurality of frames, selecting a region of interest in a frame of the video file to define a template image; and performing a pattern matching between the template image and a pattern image of respective frames in the video file to detect anomalies.