| 摘要 |
According to an exemplary embodiment of the present invention, a control device of a projector includes: a formation area size changer that inputs size information regarding the size of an optical image formed by an optical modulator and performs size change processing on image information based on the size information to change the size of a formation area of the optical image within a valid area in which the optical image can be formed in the optical modulator; a controller that inputs position information regarding the position of the optical image formed by the optical modulator and performs, based on the position information, position change processing on the image information with the size change processing performed thereon to change the position of the formation area within the valid area; and an optical modulator driver that makes the optical modulator form an optical image based on the image information with the size change processing and the position change processing are performed thereon.
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