Xerox 480cx 用户指南
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6-42
The horizontal axis represents the original input brightness and the
vertical axis represents the enhanced brightness. Values on either
scale range from 0 to 255.
vertical axis represents the enhanced brightness. Values on either
scale range from 0 to 255.
As shown in the figure below, if the curve is changed into a
convex shape above the original diagonal, the enhanced image
will be brighter than the original.
convex shape above the original diagonal, the enhanced image
will be brighter than the original.
If the curve is changed into a concave shape below the original
diagonal, the enhanced image will be darker than the original.
diagonal, the enhanced image will be darker than the original.
Normal
Image
Image
Lightened
Image
Image
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