| 摘要 |
PROBLEM TO BE SOLVED: To provide a remote control function through gesture input, regarding a projection type image display apparatus equipped with a camera.SOLUTION: In a camera portion 104, a still image projected onto a projected body from a projecting portion 101 is photographed as a moving image, or is photographed as the still image every predetermined time interval. A gesture recognizing unit 122 detects the difference either between two frames which have been extracted from the photographed moving images every predetermined time interval, or between two frames of the still images which have been photographed at predetermined time interval. When the hand shape which has appeared on the projection surface of the projecting portion 101 based on the differential image, the hand shape detected is tracked, thereby recognizing the gesture manipulation. |
