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You can sharpen an image by increasing contrast, enhancing image edges or<br />
reducing shading using a filter. The original image at the top has been<br />
sharpened using the following filters, from left to right: Tune sharpen, High<br />
pass, Directional sharpen, Sharpen, and Unsharp mask.<br />
To sharpen selected areas by applying brush strokes<br />
1 Open the Brush tools flyout , and click the Effect<br />
tool .<br />
2 On the property bar, open the Effect tool picker, and click the<br />
Sharpen tool .<br />
3 Choose a brush from the Brush type box.<br />
4 Choose a nib from the Nib shape list box.<br />
5 Move the Nib size slider.<br />
6 Type a value in the Amount box to set the intensity of the<br />
stroke.<br />
7 Drag across an image area.<br />
You can sharpen image areas using the Sharpen tool.<br />
Retouching Images 43