User interface apparatus based on hand gesture and method thereof

The present invention relates to a device for providing a user interface or user experience to the terminal. For this, the hand operation in accordance with one aspect of the present invention based on the user interface device a user's hand is located in the detected positions of the position and the hand the center of the detection in the hand the user in the photographed depth image, and detecting the detection and hand and an image processor for detecting the thumb position on the basis of the position of the center, and the position change of the detection, the hand gesture recognizing section, a first feature set record the location change of the detection to recognize the change in position of the thumb, the Matching the thumb a second functional position change of a preset, and is configured by including a function for outputting a matching control signals for implementing each function, the matched. With such a configuration, without a separate control device, such as a user remote control from a distance and can implement the function in their hand action, Because of this, there is no financial burden, the easy-to-use effect.