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70 ULEAD PHOTOIMPACT USER GUIDE
To adjust an image using Levels:
1. Select Photo: Light - Levels.
2. Adjust entire color distribution through Input levels. The left anchor controls
the distribution of black, the right controls white, while the middle adjusts the
gamma.
3. Use Output levels to adjust the color range.
4. Click Stretch to locate the black and white points in the luminosity distribution
by clipping the range.
Tips:
• Use the histogram data to further adjust the image. You can change the
clipping range by clicking Options.
• You can also use Equalize to redistribute the brightness values of the image.
This command automatically adjusts images that are too dark.
5. Click OK to apply the changes.
Tip: Click Reset to go back to the image's original settings.
To adjust an image using Curves:
1. Select Photo: Light - Curves.
2. Choose a color channel and select an Enhancement method to work on.
3. In the mapping window, drag the line to remap the color distribution according
to your needs.
• The gray graph shows the current distribution of colors in the image.
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