Blend zone
The overlapping strip between two edge-blended projectors.
Wider blend zones hide alignment errors better but cost resolution. Black-level compensation is needed so the overlap does not appear lighter in dark scenes.
Related terms
- Edge blendingOverlapping several projectors and fading their edges so they form one seamless image.
- Black levelHow dark ‘black’ really is — projectors always leak some light.
Put it into practice: throw-distance calculator · lumens calculator · intro to projection mapping