Avision AV220 - Manual (Page 30)

AV220 User’s Manual
4-9
4.1.7 Enhancing Your Image
1. Descreen
Eliminates the moire
patterns* commonly
found in printed matter.
2. Sharpen
Sharpen the scanned
image.
Before Descreen After Descreen
Before Sharpen
After Sharpen
*Moire pattern: An undesirable pattern in a color printing resulting
from incorrect screen angle of overprinting halftone.
1 2 3 4