| 摘要 |
<p>A projector is configured of a difference image generation section 152 that generates a difference image between an all-white first calibration image and a second calibration image which includes an image having features at the center and periphery thereof, a center reference position detection section 154 that detects a reference position of a center block area in the difference image, a peripheral reference position detection section 156 that detects a reference position of a peripheral block area, and a projection area information generation section 158 that generates projection area information indicating a position of a projection area, based on those reference positions.</p> |
