Many video cameras now seem to include face detection capabilities. But what exactly is face detection? Our primer explains how it works and how it might stump you, too.

via Basic Training About Face!.

Two of my video cameras have face detection capability, and use that to adjust color balance and typically to soften the facial features to remove the effects of harsh, high contrast lighting on appearance. However, every camera is different. The feature started out in still cameras but is now available in video cameras too.