Patent ID: 7849421

Claim:
A virtual mouse driving method using a video camera comprising: keeping track of an input gesture captured with the video camera; removing a background portion of the input gesture image with reference to information of the input gesture image and extracting both a left-hand region and a right-hand region from the input gesture image having the background portion thereof removed, wherein the information of the input gesture image includes information regarding a color of skin of a user; recognizing a left-hand gesture from the extracted left-hand region and recognizing a right-hand gesture from the extracted right-hand region and recognizing gesture commands corresponding to a combination of both the left-hand recognition results and the right-hand recognition results, wherein the left-hand gesture and the right-hand gesture are recognized on the basis of the contours and features of a right hand and a left hand of the user; and executing the recognized gesture commands; wherein one of the left-hand gesture and the right-hand gesture is selected as a gesture corresponding to a first-hand for selecting a command function among a plurality of command functions, wherein the plurality of command functions correspond to a plurality of command icons in a menu which is displayed on a screen of a display device, and the remaining one of the left-hand gesture and the right-hand gesture is selected as a gesture corresponding to a second-hand for controlling an action on the display device, wherein the recognizing of the gesture commands comprises: detecting the gesture corresponding to the first-hand, displaying the menu on the screen in response to the detection of the gesture corresponding to the first-hand, and recognizing one of a plurality of command icons of the displayed menu currently pointed at by or selected by a cursor according to the detected gesture corresponding to the first-hand; and detecting the gesture corresponding to the second-hand and recognizing an object currently pointed at or selected by the cursor according to the detected gesture corresponding to the second-hand.