POWER CONTROL METHOD OF GESTURE RECOGNITION DEVICE BY DETECTING PRESENCE OF USER

摘要

Provided is a method which reduces the power consumption of a camera for detecting a user's gesture, in a device that detects the user's gesture and performs a command corresponding to the detected gesture. Moreover, provided is a method which turns off a camera or drives the camera in an ultra low power mode when there is no user input, and detects presence of a user to activate the camera.