A point-reading pointing device click judgment method based on an image recognition and tracking technology

The invention discloses a point-reading pointing device click judgment method based on an image recognition and tracking technology, which comprises the following steps of 1) fixing an image pickup device of the point-reading system on the top of a publication; 2) real-time shooting point-reading pointing device and publication page by an image pickup device, and real-time calculating the real-time area ratio z of recognition area of point-reading pointing device and publication page in photograph image by a point-reading system; 3) setting that ratio of the recognition area of the click-through pointing device to the area of the publication page in the photograph image to z1 when the click-through pointing device approaches the publication to the position where the click is just triggered; 4) if that real-time area ratio z>z1, using the click system to judge that the current click pointing device is in an unclicked state; if z