How to work with Dust & Scratches

44) How to work with Dust & Scratches.

Reduces noise by changing dissimilar pixels. To achieve a balance between sharpening the image and hiding defects, try various combinations of radius and threshold settings. Or applies the filter on selected areas in the image.

Step 1

The selected area before applying the Dust & Scratches filter.

Step 2

Drag the Threshold slider left to 0 to turn off the value, so that all pixels in the selection or image can be examined. The Threshold determines how different the pixels values should be before they are eliminated. Drag the Radius slider left or right, or enter a value in the text box from 1 to 16 pixels. The Radius determines how far the filter searches for differences among pixels.

Adjusting the radius makes the image blurry. Stop at the smallest value that eliminates the defects.

Step 3

After applying the Dust & Scratches filter.