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Author Topic: Removing large flare in LR4?  (Read 1237 times)
bdosserman
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« on: June 28, 2013, 12:43:45 AM »
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Hi,
   I've got a photo (attached) with a large purple flare over a complicated part of the image. I am hoping for suggestions on the correct way to tackle this using LR4. So far the only approach I can come up with is to use the adjustment brush with a combination of tint green and desaturation. But this seems very touchy (and something of a hack), so I'm hoping there's a better approach!
   Thanks,

Brian
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Richowens
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« Reply #1 on: June 28, 2013, 01:22:29 AM »
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Brian,

 Use the HSL adjustments, not the brush.

 Just desaturate purple, it is the only purple in the image and reduce the purple luminance.

 I also desaturated magent some and slightly reduced magenta luminance  for any residue.

 Adding a little positive clarity will reduce the appearance of the flair or negative clarity will enhance the effect.

Rich
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wolfnowl
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« Reply #2 on: June 28, 2013, 01:25:20 AM »
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The CA tool in LR 4 and 5 works pretty well...

Mike.
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Richowens
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« Reply #3 on: June 28, 2013, 01:33:02 AM »
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Thanks Mike,

 I never thought of that, I've always used it for fringing and CA.

 Rich
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francois
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« Reply #4 on: June 28, 2013, 03:11:57 AM »
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Thanks for this technique. I learned something new!
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Francois
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« Reply #5 on: June 28, 2013, 04:07:25 AM »
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Thanks Mike.

Also, local adjustment brush works well here, changing the WB's tint but only in the affected area.
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bdosserman
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« Reply #6 on: June 28, 2013, 09:16:30 AM »
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Hi all,
   Thanks for the help! I'll be go back and try again with your suggestions.
   Mike -- CA removal was the first thing I tried, but somehow I thought it was ignoring the purple because it wasn't in the form of a fringe. I must have just had the settings too low!

Best,

Brian
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Rand47
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« Reply #7 on: June 28, 2013, 12:39:48 PM »
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This might temp you into LR5 upgrade . . .

As mentioned above, I used the defringe tool to remove most of the color.  You'll notice that it doesn't get all of it.
I then applied a radial gradient with an "inverted mask" to that area of the image and lowered the contrast, highlights and most important the saturation.  Then, I ran the defringe slider all the way to 100%.    Since the inverted radial gradient works from the "middle out" it seemed to do a decent job in neutralizing the purple in the area affected.  I then played with the size and shape and orientation of the radial, and the amount of feather.  I then bumped the clarity a bit to return some midtone contrast lost by the overall contrast adjustment.   My efforts were 'quick and dirty' and I'm sure you could get it better and more subtle with a little close attention to this approach.   You could add a second, and smaller rg to the cluster of branches to the right that also still has residual purple.



« Last Edit: June 28, 2013, 01:19:19 PM by Rand47 » Logged
bdosserman
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« Reply #8 on: June 28, 2013, 10:58:13 PM »
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Hi again,
   I'm attaching my edited version. Ended up mainly using Rich's suggestion, with a little additional adjustment brush, because for some reason, the CA tool did absolutely nothing for me. Is this an unadvertised difference between LR4 and LR5? In any case, I'm pretty happy with the result (although I'm still playing with the right PP to capture the feel of the place -- this is the sort of shot I've yet to really figure out how to PP).
   Thanks again, all!

Brian
   
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thierrylegros396
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« Reply #9 on: June 29, 2013, 01:36:04 AM »
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Fine, Brian.

Yes Rich's method (also mine when I was using LR3) is really good is this case.

Thierry
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