Many video communication applications offer a picture-in-picture mode that shows the caller’s video feed that usually includes the caller’s face in addition to that of others that participate in the call. The impulse to check one’s own image as provided in the user interface can distract callers from focusing on the other participants. Further, if the caller moves, the camera may capture and provide a video feed that includes unexpected content, e.g., the room background. This disclosure describes the use of face detection at the caller end of a video call that ensures that the caller’s camera feed includes a face and automatically switches to a static picture being displayed to the call recipient if the face is not detected. At the caller end, the caller's video feed is not displayed if the face is present. In this manner, the described techniques simultaneously safeguard against inadvertent display of other content while removing the distraction of one's own face from the user.
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Berg, Garrett Frederick and Livingston, Zac, "Automatically Pausing Caller Video When the Caller’s Face is Out-of-frame", Technical Disclosure Commons, (August 28, 2020)