contouring
In digital facsimile, density step lines in the recorded copy resulting from analog-to-digital conversion when the object, i.e., the original, has observable shades of gray between the smallest density steps of the digital system.
In digital facsimile, density step lines in the recorded copy resulting from analog-to-digital conversion when the object, i.e., the original, has observable shades of gray between the smallest density steps of the digital system.