A method for specifying cursor Dosition by finger pointing

Abstract

We have developed a prototype system using image processing methods to enable users to select an object in a video scene by pointing a finger at the screen. We carried out experiments m which subjects oointed at a target on the screen m order to specify the oosition of a cursor. The results show that the sut!jects point with reference to midpoint between their eyes. We also evaluated the difficulty of ooeration of the prototype system, and ascertained both its actual Derformance and the level reauired for oractical use.