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Thread started 05 Aug 2008 (Tuesday) 18:18
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Best way to get rid of HDR glow...?

 
RobNYC
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Aug 05, 2008 18:18 |  #1

I have been using Photomatix to experiment with HDR. I can use higher light smoothing in Photomatix to kill some of the glow, but then I lose some of the HDR effect that I like in other areas of the photo. In longer exposure night shots, I don't really have this problem.

I am not a Photoshop expert, so I was wondering if anyone could suggest a method for softening or blending (erasing?) the glow you notice around the statues in this shot. When I try using a brush it looks unnatural (because I am not a skilled Photoshop user). Is the brush the way to do it? Settings on the brush? Something else? Any suggestions or other comments or info is appreciated!

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FlyingPhotog
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Aug 05, 2008 18:23 |  #2

The really big halo around the figures could probably be eliminated by just maksing the blue sky and replacing it all with a subtle gradiant.

Pick a middle blue, lighten it a little at one and and darken it a bit at the other then run the gradient vertically from top to bottom, dark to light (the sky gets darker as you look up, generally...)


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RobNYC
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Aug 05, 2008 18:25 |  #3

Others without this problem...

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I do not really notice the problem in longer exposure night shots. But any C& C welcomed on any of these shots!

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Robert_Lay
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Aug 05, 2008 21:12 |  #4

RobNYC wrote in post #6053142 (external link)
I do not really notice the problem in longer exposure night shots. But any C& C welcomed on any of these shots!

Those are GREAT shots, Rob.
Tnx for sharing!


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RobNYC
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Aug 05, 2008 21:32 as a reply to  @ Robert_Lay's post |  #5

Thank you Robert!


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Aug 06, 2008 02:11 |  #6

The problem with HDR is, it's too easy to go overboard on it and get awful oversatured 1970s-colour-telly images, which this haloing tends to go hand in hand with. The colours here don't look too garish; you could probably fix a fair bit of this by being a bit more careful with the light smoothing and microcontrast controls in Photomatix. It's always a compromise between the strength of the effect and the negative impact on the image.


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conkeroo
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Aug 06, 2008 05:10 as a reply to  @ OpenC's post |  #7

Its been ages since I used Photomatix but if you reduce the dramatic light radius it'll keep the HDR effect and get rid of that haloing effect. I think! But aside from that, it looks great.

Edit: If you still get no joy, try an app called Dynamic Photo HDR. It can work a little more conservatively than Photomatix and gives you greater control of the edit using hue-shift, gamma-shift and colour vibrancy and saturation.



  
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RobNYC
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Aug 06, 2008 07:25 as a reply to  @ conkeroo's post |  #8

Thanks for the info and advice everyone!


Rob
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aram535
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Aug 06, 2008 07:45 |  #9

In Photoshop (CS3 anyway) the photos are created using a layer and a mask. You can modify the mask to your hearts content, but I do have to say that I don't think I have ever seen such a pronounced halo around any of the objects in the images that I have done.


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PhotosGuy
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Aug 07, 2008 12:56 |  #10

In this case, you could select around the edges of the subject & clone the sky in to the edges of the selection.
Need to remove a background from something?

Good work, Rob! Some of the best HDR I've seen here.


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RobNYC
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Aug 07, 2008 20:17 |  #11

Thanks for the compliment and the link Frank!


Rob
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