KeystoneKorrektur
KeystoneKorrektur, often referred to as keystone correction, is a feature found in projectors that allows users to adjust the image geometry. When a projector is placed at an angle to the screen, the projected image can appear distorted, resembling a trapezoid rather than a rectangle. This distortion is known as keystone effect. KeystoneKorrektur digitally compensates for this angle, effectively straightening the image and restoring its rectangular shape.
The process typically involves adjusting vertical and sometimes horizontal keystone settings. Vertical keystone correction is the
While keystone correction is a convenient feature for aligning the image without physically repositioning the projector,