How To Use The Curve Tool - Microtek ScanMaker 35T Plus User Manual

1 Choose the
• Select Master
simultaneously.
• Select color channels
channel.
• For grayscale scanners, only the
2 Choose the
There is no difference in the method you select, and the choices are provided to give you more
flexibility in adjusting the curve.
3 Choose a
a curve button for more details.)
4 Click on the curve to define the points where the curve will be modified. You can then either raise
or lower the curve at that point and see changes to the image accordingly.
5 Click on an
• Click OK to accept changes and exit the AIE dialog box.
• Click Cancel to abandon all changes and exit the AIE dialog box.
• Click Reset to restore settings to original default values.
• Click Revert to cancel the effect of the current image-enhancement tool.
For more details, see the section The Action Buttons in the AIE Dialog Box .
6 To save a curve, click on the
• Save the curve in either Microtek or Photoshop format. The
as many as 64 control points in the curve for more precision; Photoshop allows a maximum of
19.
• Choose the Channel. Select
one of the three color channels (red, green or blue).
To use a previously saved gamma curve for another image, click on the
specify the curve to be loaded. Photoshop-saved curves can be loaded.
66 Microtek Scanner User's Guide (PC version)

How to use the Curve tool

4
channel in which the curve will be modified.
to modify gamma in the red, green, and blue color channels of the image
individually (red, green, blue) to modify gamma in that particular color
Method in which the curve will be modified; select from Line, Curve, or Gamma.
Curve button; select from Pointer, Zoom Frame, or Pane. (See previous section Using
action button.
Save
All
gray channel is available.
button. A dialog box will appear.
if your channel (in #1) is Master; select
5
2
1
3
6
Microtek format allows you to have
Current if you selected
Load button, then