Microtek ScanWizard Bio Reference Manual page 59

• In areas where the curve is
moved down, pixels in that
portion of the image are
darkened.
• In areas where the curve is
moved up, pixels in that
portion of the image are
lightened.
Contrast in an image can be seen by the angle of the line. The steeper the slope,
the higher the contrast. The closer the line is to horizontal, the lower the
contrast.
A. Curve
The Curve is a graphic representation of the tone curve showing scanner input
from dark on the left to light on the right.
B. Method
The Method sets the kind of curve you wish to have. Select from Line, Curve, or
Gamma.
C. Channel
The Channel allows you to choose the gray channel only in which the gamma
will be affected.
Microtek ScanWizard Bio Reference Manual 53