| 摘要 |
A projection apparatus includes a projection unit configured to project an image onto a projection screen; an image pickup unit configured to capture an image on the projection screen; a detection unit configured to detect at least one pointer image using an image signal obtained by the image pickup unit, the pointer image indicating a position on the projection screen, the detection unit generating position information regarding the position indicated by the pointer image displayed on projection screen; and an output unit configured to output the position information to the outside. |
