| 摘要 |
<p>The present invention is applicable in the technical field of human computer interaction, and provides a method and device for contact-free control by hand gestures. The method comprises: acquiring a hand gesture from a user; acquiring a control command corresponding to the hand gesture according to pre-stored mapping relationships between hand gestures and control commands; and executing the control command; wherein the hand gesture includes: drawing a circle by an index finger with the remaining four fingers clenched into a fist and with the circle being larger than the contour of the hand; or keeping the five stretched fingers together with the palm moving towards the device; or stretching the thumb, index finger and middle finger out in a natural way with the remaining two fingers kept together and the index finger moving freely; or stretching the thumb, index finger and middle finger out in a natural way with the remaining two fingers kept together and the thumb moving up and down; or stretching the thumb, index finger and middle finger out in a natural way with the remaining two fingers kept together and the middle finger moving up and down.The present invention effectively solves the problems in the prior art that there are too many hand gesture rules, making them difficult to learn and to memorize, and making the operation thereof complicated, thus leading to poor operation smoothness.</p> |
