| 摘要 |
An image projection apparatus configured to project an image on the projection surface includes a light modulation unit configured to modulate light from a light source unit, an image processing unit configured to generate an image signal to be input to the light modulation unit, disposed in the image projection apparatus and, a light intensity measuring unit configured to measure an intensity of part of the modulated by the light modulation unit, a light guide optical system configured to guide the part of the light to the light intensity measuring unit and another part of the light to the projection surface, and a correction unit configured to correct brightness of the image projected on the projection surface based on a video signal supplied to the image projection apparatus and a measurement result of the light intensity measuring unit. |
