Patent ID: 7193654

Claim:
A projection system, comprising: at least one projection device having a first lens and a second lens, the projection device projecting a first sub-image through the first lens and a second sub-image through the second lens; a screen for displaying the first sub-image and the second sub-image; a first mask positioned between the first lens and the screen, the first mask having a first non-linear edge in an optical path of the first sub-image creating a first non-linear image edge; and a second mask positioned between the second lens and the screen, the second mask having a second non-linear edge, that is complimentary to the first mask, in an optical path of the second sub-image creating a second non-linear image edge complimentary to the first non-linear image edge, wherein the first sub-image and second sub-image are combined on the screen such that the first sub-image and the second sub-image overlap at the first non-linear image edge and the second non-linear image edge to form a non-linear seam.