Patent ID: 8866781

Claim:
A contactless gesture-based control method, comprising: creating and storing pre-stored mapping relationships between gestures/movements and control instructions; obtaining gestures/movements of a user; obtaining the control instructions corresponding to the gestures/movements according to the pre-stored mapping relationships between the gestures/movements and the control instructions; and executing the control instructions, wherein the gestures/movements comprise that three fingers including a thumb, an index finger, and a middle finger extend naturally, that two fingers including a ring finger and a pinkie finger are clenched together, and that one of the three fingers moves, and wherein the mapping relationships between the gestures/movements and the control instructions comprise: a corresponding control instruction is “a mouse moves along a trajectory of a moving finger” when the gestures/movements comprise the thumb, the index finger, and the middle finger extend naturally, the remaining two fingers clench together, and the index finger moves freely; a corresponding control instruction is “left-clicking of a mouse” when the gestures/movements comprise the thumb, the index finger, and the middle finger extend naturally, the remaining two fingers clench together, and the thumb moves up and down; and a corresponding control instruction is “right-clicking of a mouse” when the gestures/movements comprise the thumb, the index finger, and the middle finger extend naturally, the remaining two fingers clench together, and the middle finger moves up and down.