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4.2.2 ADJUSTING HIGHLIGHT/SHADOW LEVELS
Highlight refers the lightest point in a scanned image
while shadow refers the darkest point.
Using
Highlight and Shadow tool together allows you to
extend the range of color and reveal more details in a
gray or color image.
When the value of gamma changes, the image changes
accordingly.
Gamma Value: 1.0
Gamma Value: 1.4
Gamma Value: 2.0
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2
3
1. Shadow:
The darkest point of an image.
2. Gamma:
The midtones of the image.
3. Highlight:
The lightest point of an image.
4.
Pointer:
Move the pointer to change the value.
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