| 摘要 |
PROBLEM TO BE SOLVED: To provide a projection device that easily acquires contrast information.SOLUTION: A projection device 1 includes a projection unit 20 that projects an image through a projection optical system 21, an imaging unit 10 that photographs a projection surface on which an image is projected by the projection unit 20, a distance measuring unit 13 that acquires information on the distance to the projection surface on the basis of contrast information obtained from an image of the projection surface photographed by the imaging unit 10 during the projection of a predetermined image by the projection unit 20, and an image determination unit 60 that determines the predetermined image on the basis of the image of the projection surface photographed by the imaging unit 10. |
