Patent attributes
A gesture input device includes: a coordinate input detecting unit which sequentially detects coordinate set sequences of a user hand position; a gesture start detecting unit which detects a component indicating a first hand movement for starting a gesture, from a detected first coordinate sequence; a guide image generating unit which generates a gesture guide image for guiding the user to make a gesture including a second hand movement, when the first hand movement component is detected; an intended action component detecting unit which detects a second hand movement component as an intended action component, from a second coordinate sequence detected after the gesture guide image is displayed on the display screen; and a control signal generating unit which detects a component indicating a hand movement corresponding to the gesture from the second coordinate sequence when the intended action component is detected, and generate a control signal according to the detection result.