4. The method of claim 2 , wherein the method is applied to a video game.
2. The method of claim 1 , further comprising: f) calculating a figure of merit using the sample values in the gesture and sample values in one or more catalog gesture, wherein the figure of merit is a measure of how well the gesture matched the catalog gesture; g) determining whether an input gesture matches one of the one or more catalog gesture based on the figure of merit; and h) taking action if the input gesture matches the one of the one or more catalog gesture.