An interference pattern caused by the interaction of two different patterns of dots or
lines. Moiré patterns commonly occur when you attempt to scan halftoned images
using a flatbed scanner. In this case, the moiré pattern results from interference
between the regularly spaced halftone dots and the scanning grid.
lines. Moiré patterns commonly occur when you attempt to scan halftoned images
using a flatbed scanner. In this case, the moiré pattern results from interference
between the regularly spaced halftone dots and the scanning grid.