| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an interactive presentation environment just by adding an image pickup device by fetching the image of a correction pattern projected from a projector onto a screen to a computer and executing an image processing to the fetched image. SOLUTION: This system is provided with a means for projecting and displaying the output image of the computer onto the screen, a fetch means for fetching a projected image displayed on the screen to the computer by the image pickup device and the means for fetching a pattern for correction projected on the screen to the computer by the fetch means and performing correction work by using the fetched image. The system is provided with a computer main body 20, the image pickup device 14, the projector 16 and the screen 10, etc. Then, by an image processing routine operated inside the computer main body 20 to image data transferred to a RAM, the image processing for performing a tip detection processing by a pointing address calculation program is executed.</p> |
