1. A display device comprising: a display unit; a camera acquiring an image including a gesture made by a user; and a controller configured to: extract an object associated with the gesture from the image acquired by the camera; set a reference point, fixed regardless of a change in a shape of the object according to the gesture, at a specific spot in the extracted object; and control the display unit to display a cursor on a location matched to the reference point and execute a function corresponding to a gesture on a matched location, wherein, when the controller recognizes the gesture corresponding to a selection of a preset function of the display device, the controller does not reflect a motion value of the reference point on a movement of the cursor on the display unit matched to the reference point.