27. The gesture recognition method according to claim 16 , wherein several predetermined equally divided positions of the gesture template in the edge part are first searched to find out a scope where the hand is most likely to appear, and then a fine template matching is performed on the scope.
27. The gesture recognition method according to claim 16 , wherein several predetermined equally divided positions of the gesture template in the edge part are first searched to find out a scope where the hand is most likely to appear, and then a fine template matching is performed on the scope. 28. The gesture recognition method according to claim 27 , wherein the scope where the hand is most likely to appear refers to a scope with a number of the appearing skin pixels greater than a threshold.