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kulverstukas
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Posts: 1101
Joined: Wed Jan 02, 2013 11:58 am

Adobe Raw 9.1 Dehaze?

Fri Jun 19, 2015 10:27 am

Anybody tried this new feature yet?
 
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ghajdufi
Posts: 460
Joined: Tue Jun 14, 2005 5:18 am

RE: Adobe Raw 9.1 Dehaze?

Fri Jun 19, 2015 4:19 pm

it's awesome!



The message you were about to post is too short and probably not of any higher value to the topic at hand. You should think long and hard before posting a message in this forum and make it detailed and a valuable addition to the topic discussed.
 
ckw
Posts: 4586
Joined: Fri Aug 27, 2010 12:26 am

RE: Adobe Raw 9.1 Dehaze?

Fri Jun 19, 2015 10:57 pm

Does exactly what it says it does. Very impressive, and much better than I could achieve with clever and time consuming trickery with unsharp mask and curves.

Definitely will resurrect some old shots which had been spoiled by atmospheric conditions.

Cheers,

Colin
 
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trevisan26
Posts: 440
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RE: Adobe Raw 9.1 Dehaze?

Sat Jun 20, 2015 3:31 am

Wow. Impressed how technology/editing tools are going, one of this days we will be able to focus on post processing.

Cheers,
Thiago Trevisan
 
ckw
Posts: 4586
Joined: Fri Aug 27, 2010 12:26 am

RE: Adobe Raw 9.1 Dehaze?

Sat Jun 20, 2015 12:17 pm

Quoting trevisan26 (Reply 3):
one of this days we will be able to focus on post processing.

https://www.lytro.com/

... not quite, but heading that way.
 
vikkyvik
Posts: 12664
Joined: Thu Jul 31, 2003 1:58 pm

RE: Adobe Raw 9.1 Dehaze?

Sat Jun 20, 2015 7:15 pm

Played around just a bit with Dehaze last night. Wasn't too impressed in my very brief tryout.

Can someone shed some light (no pun intended) - is it doing anything different than what I might do with levels/contrast adjustments?

Anyone know what it's actually doing? Is it applying NR at the same time?

Thanks.
 
ckw
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Joined: Fri Aug 27, 2010 12:26 am

RE: Adobe Raw 9.1 Dehaze?

Sun Jun 21, 2015 9:59 am

I haven't seen a definitive explanation of how it works, but clearly it must be making adjustments at the micro-contrast level. I believe it is also doing the selectively - it uses color contrast to determine which areas are haze affected and those that aren't. Further more apparently it can distinguish between surface detail and shapes. As far as I can make out no NR is being added as part of the process.

So yes you could probably replicate the results with a combination of levels/contrast and unsharp mask BUT you would also have to do some clever graduated masking to get the same results.

Some people are saying results are variable depending on the nature of the image - I've just tried it on some shots that were taken in actual fog, and while hidden detail was revealed, the results weren't at all usable, however shots that looked flat because of slight atmospheric haze responded well.

Its another tool in the tool box, useful for some things but with a risk of being misused or over applied.

Cheers,

Colin
 
vikkyvik
Posts: 12664
Joined: Thu Jul 31, 2003 1:58 pm

RE: Adobe Raw 9.1 Dehaze?

Sun Jun 21, 2015 5:22 pm

Quoting ckw (Reply 6):

Thanks Colin.

Quoting ckw (Reply 6):
I've just tried it on some shots that were taken in actual fog, and while hidden detail was revealed, the results weren't at all usable, however shots that looked flat because of slight atmospheric haze responded well.

That makes sense to me. I love foggy shots, and I don't think they look particularly good when you try and "clear" too much of the fog out of them.

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