Microtek ScanMaker 5 User's Guide download pdf (Page 138)

6-60 Microtek ScanWizard 5

Sample images and their curves

Here, points along the curve have

been moved up, so that pixels are

lightened as they are plotted to

new points.

For RGB image type, the net effect

creates a lighter image. For gray

scale image type, the net effect

creates a darker image.

Here, points along the curve have

been moved down, so that pixels

are darkened as they are plotted to

new points.

The net effect creates a darker

image. For gray scale image type,

the net effect creates a lighter

image.

Here, the original curve is a

straight diagonal, indicating that

input and output values are equal.

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Microtek ScanMaker 5 User's Guide Page 138