Curves | When you select the Curves button, a dialog box appears that allows you to adjust the |
| midtone of the image without losing details in the lightest and darkest areas. |
Select the Curve or the Line button 
on the bottom right of the Curves dialog box, depending on whether you want a curved or an angled setting. Place the mouse cursor over the line, click the right mouse button, and drag the line to set a curve.
Color Balance | When you select the Color Balance button, a dialog box appears that allows you to |
| adjust the color of the image so that it comes close to that of the original. |
The default parameters are used to adjust the image. You can type values in the Color
Levels text boxes or you can drag the sliding arrow under the color.
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