Remove scratches in photoshop (but not "dust")

Discussion in 'Photoshop' started by Guest, Dec 5, 2006.

  1. Guest

    Guest Guest

    Hi all,

    I'd like to remove scratches from scanned negatives. These show up in
    light color. The "remove dust and scratches" filter in PS CS2 does
    work, but it also removes dark structures it thinks are dust but which
    are real.

    Is there a way to have a similar filter that works only on structures
    exceeding a a certain lightness threshold? I'd like to have it as
    action assigned to a certain key because I need it over and over on
    selected regions.

    Thanks for your help
     
    Guest, Dec 5, 2006
    #1
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  2. Guest

    Mike Russell Guest

    Dup the image to a new layer, run the filter, and set the layer mode to
    darken. This will retain the dark areas of the original image. You can
    also use the layer's "blend if" sliders to so a similar operation, with more
    control over what range of pixel values are used in the blending operation.
     
    Mike Russell, Dec 5, 2006
    #2
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