1. A method comprising: setting an IR (infrared) level to a first predetermined level; reading an image; determining if a face is detected; if a face is not detected, setting the IR level to zero; waiting a first predetermined amount of time; repeating the setting the IR level to the first predetermined level and then reading an image; determining a face is detected; setting the IR level to a second predetermined level; reading an image; and determining if a face is recognized.