A halftone screening method in which an image is composed of dots of equal size with variable spacing between dot centers. The density of the dots varies according to the brightness of the image at any particular point. Compare with Amplitude Modulated (AM) Screening which uses dots of variable size with equal spacing between dot centers. Frequency-modulated screening requires more computing power, but it also produces a higher quality image. In particular, moir? is avoided in fine image structures. See also Stochastic Screening.
- Frequency Modulated (FM) Screening