1. One or more computer readable media having stored thereon a plurality of instructions that, when executed by one or more processors, causes the one or more processors to: receive an indication of an area of a frame of video content; use a first verification process to determine whether a human head is in the area; and if the first verification process verifies that the human head is in the area, then indicate the area includes a face, and otherwise use a second verification process to determine whether the human head is in the area.