Image rescue

Discussion in 'Photoshop' started by Branko Vukelic, Jul 8, 2004.

  1. In one of the images I'm editing right now, I have a streak of color running
    across a portion of it.

    The streak is not uniform but is readily identifiable, and quite annoying at
    that. It looks like someone has air-brushed with a very transparent ink. Or
    maybe it looks like the rust? Anyway, I want to remove the streak of color
    without damaging the background.

    One of the problems is that the background has similar colors (albeit it
    doesn't fool my eyes). Any ideas?


    I can't post the image on the net and it's too large for e-mailing...
    Branko Vukelic, Jul 8, 2004
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  2. I often get unwanted lines or pixels as artifacts of scanning. My way to
    correct this is to create a new layers over the image and with cloning and
    painting--depending on what you're working on, usually both--I remove the
    line or pixels. By working on a separte layer you don't hurt the original
    and correcting your own mistakes is easy.

    Periodically, reduce the size of the image and look at it to see how well
    your work is going.

    Walton Mendelson, Jul 8, 2004
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  3. I know. I've owned a noisy little bastard called Mustek 1200UB.

    But this is not it. This is a huge very-soft-brush-like stroke across the
    image. It's about as wide as 10% of the total image height.

    Well, on the second thought, it's just annoying more than anything.
    Something that I would like to remove, but would probably make no huge
    impact on the image...

    Thanks for your help, anyway. Though, if someone comes up with something,
    please let me know.
    Branko Vukelic, Jul 8, 2004
  4. Branko Vukelic

    vern Guest

    Sounds like a color cast. If so try this:
    Eyedropper a Midtone and Highlight of the just the color cast.
    Add new layer and Edit > Fill with this sample color. blend mode- Color.
    Ctl + I to invert the Layers color (Image > Invert). Lower opacity to 50%
    or so.
    Add a layer mask and paint over the good area to "hide it" from the
    inverted color layer. Soft air brush, low opacity at the edges.
    Hope this helps.
    vern, Jul 8, 2004
  5. Ah, hiding in plain site! Thanks a lot for great info!

    Branko Vukelic, Jul 8, 2004
  6. Branko Vukelic

    Hecate Guest

    I'd just add to that, look in the individual channels. You'll probably
    find that one or other of the channels shows the streak a lot, whilst
    another may not show it at all. And consider blending the channel it
    doesn't show in into the channel it does, or even throwing away the
    channel which shows it worst and replacing it with the channel which
    shows it least. A colour cast of this type is, usually, only in the
    one channel.
    Hecate, Jul 9, 2004
  7. Great tip. Although, I've removed the streak already, I'll have this in mind
    in future.
    Branko Vukelic, Jul 9, 2004
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