This workshop shows you how to eliminate dust particles or light scratches from your images using the Dust And Scratch filter.

Click here to open a sample image.

This process can be used to repair any image but is most effective on areas of continuous color or pattern.

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Use the Zoom tool to magnify the dust and scratches.

Place the zoom tool cursor over the affected area, and click to zoom in.

1. Click Tools menu, Options.
2. Double-click Workspace.
3. Click General.
4. Enable the Shape cursor for brush tools checkbox.

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Use a mask selection to isolate the affected area. This lets you apply corrections to this area without affecting the rest of your image.

Open the Mask tools flyout and, click the Mask Brush Tool.

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Whenever you use a brush tool, it is important to choose the correct brush settings for the task you are performing.

1. Click View menu, Roll-Ups, Tool Settings.
2. Set the nib size slightly wider than the width of the scratch or dust particle.
3. Type 25 in the Transparency box.
4. Type 3 in the Soft edge box.

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1. Enable anti-aliasing.
2. Click Mask menu, Mode, Additive.
3. Paint over the affected area to create a mask selection

To start over, click Mask menu, Remove Mask

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1. Click Effects menu, Noise, Dust And Scratch.
2. Move the Threshold slider to 0.
3. Move the Radius slider to 5.
4. Click the Preview button to view the results in the results window.
5. Click OK.

To return to the original zoom level, click View menu, Zoom 100%.

Now that you have completed the exercise, the mask selection is no longer needed. To remove it, click Mask, Remove.

You've just learned how to remove dust marks and light scratches from a photograph.

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