If the curve is changed into a concave shape below the original diagonal, the enhanced image will be darker than the original.
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Operation:
1.Click on the Tonal Map icon in the Preview window or the Tonal Map tab in the Enhancement dialog box. The Tonal Map dialog box will appear.
2.Click on the Tonal Map curve, an indicator appears which can then be dragged to change the shape of the curve.
a)If a previously saved Tonal Map is desired, select the Load button. An Open dialog box appears for you to open the desired file.
b)Or, click on the Reset button to return the Tonal Map to the default diagonal as in the original.
c)Click the Save button to save the changes as a customized setting. A Save As dialog box will appear upon selection of this button. Enter the name for the customized curve and click on the OK button.
3.Select the Histogram button to see a histogram of the changes made.
4.Select the OK button to accept all the changes or the Cancel button to abandon all unsaved changes.
3 Scanning
Scanning 3.13
