Patent ID: 8870389

Claim:
An image projection system comprising: two or more image projection devices each for projecting a part image of an image to be displayed on a screen on the screen; two or more image capturing devices each for capturing the image on the screen projected by each of said two or more mage projection devices; and an image geometric correction device for unifying coordinate systems of the images captured by said two or more image capturing devices, gathering a coordinate system conversion respectively determined for each connection between the images projected by the two or more image projection devices and the images captured by the two or more image capturing devices, and for making a geometric correction to the images projected by said two or more image projection devices on a basis of an image projection region in the coordinate system into which the coordinate systems of the captured images are unified, the image geometric correction device including an indication unit having a man machine interface that enables a user to specify a correspondence between the two or more image projection devices and the two or more image capturing devices.