| 摘要 |
<p>A hand pointing apparatus (20) comprising: illuminating means (32A,32B) for illuminating a person (10) to be recognized; a plurality of image pickup devices (36A,36B) for picking up images of said person (10); a determiner (22D,14) for extracting an image part corresponding to said person (10) from a plurality of images of situations picked up by said image pickup devices (36A,36B), the situations being indicative of said person pointing to one of a position or a direction, and for determining one of the position or the direction pointed to by said person; a detector (1) for extracting, from the plurality of images, the image part corresponding to a predetermined part of a body of said person (10), and calculating at least one of an area of the extracted image part, outline of the extracted image part and a length of an outline of the extracted image part so as to obtain a first calculation value, after a predetermined time elapses, repeating said calculation so as to obtain a second calculation value and detecting a changed value between the first calculation value and the second calculation value; and a processor for executing a predetermined processing when the changed value detected by said detector is more than or equal to a predetermined value.</p> |
