Dust & Scratches

This filter provides a more powerful way to remove noise from an image. Dissimilar pixels are modified to achieve a balance between sharpening and hiding defects. It is a good idea to try different settings on your image, as a wide variety of results are possible. It may be helpful to run the filter on only part of your image at a time.

Step 1. Make a selection or use the entire image.

Step 2. Choose Filter>Noise>Dust & Scratches.

Step 3. It is a good idea to keep the preview zoomed into 100% and pan to see the scratches.

Step 4. Set the Threshold slider to 0. This turns off the value so that all pixels can be examined. Threshold is used to determine how different pixels must be before they are removed.

Step 5. Move the Radius slider left or right, or choose a value from 1 to 16 pixels. The radius determines how far to search for differences among pixels. Overuse of Radius blurs the image, so stop or balance where noise is removed versus where softening occurs.

Step 6. Gradually increase the threshold to the highest value possible, which still has an effect.

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