APPARATUS FOR CORRECTING A IMAGE DISTORTION AND CORRECTING METHOD THEREOF

摘要

An image distortion correction apparatus (200) and method are provided. The image distortion apparatus includes an image projector (130) which projects an image on a projection screen; a user interface (140) which receives an adjustment signal allowing a keystone correction on the projected image; a keystone correction unit (150) which corrects a keystone distortion of the projected image by moving each side of the projected image according to the adjustment signal; and a controller (160) which controls the image projector and the keystone correction unit to correct the image.