4.1.7 Enhancing Your Image
1. Descreen
Eliminates the
moire patterns*
commonly found in printed
matters.
2. Sharpen
Sharpens 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.
Chapter 4: Editing Your Image
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