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Can You Correct Overexposure In Photoshop?  
User currently offlineA340Spotter From United States of America, joined Jul 2003, 1980 posts, RR: 24
Posted (9 years 2 months 3 weeks 4 days 21 hours ago) and read 6677 times:

Taking off of the overexposure shooting forum, I'd like to know if there's a way to correct the overposure on white aircraft in photoshop? I'm aware of ways to fix it photography-wise (and had no problems with the results on slides shot of the same aircraft), but can these be fixed:

http://www.airliners.net/addphotos/rejections/big/N792Aancjsdevore.jpg

http://www.airliners.net/addphotos/r...jections/big/N301UPbfijsdevore.jpg

http://www.airliners.net/addphotos/r...ions/big/JA8192noseancjsdevore.jpg

Thanks as always in advance to those who reply. You are all big helps.

Jeffrey


"Irregardless, it's a Cat III airplane, we don't need an alternate!"
9 replies: All unread, jump to last
 
User currently offlineNewark777 From United States of America, joined Dec 2004, 9348 posts, RR: 30
Reply 1, posted (9 years 2 months 3 weeks 4 days 21 hours ago) and read 6664 times:

If you shot in RAW, there is a chance you can save them. Other than that, though, the details are probably gone, and not recoverable.

Harry



Why grab a Heine when you can grab a Busch?
User currently offlineSulman From United States of America, joined Mar 2004, 2035 posts, RR: 32
Reply 2, posted (9 years 2 months 3 weeks 4 days 21 hours ago) and read 6665 times:

Depends what the originals look like. In these cases, I don't think so, as it looks like most of the detail has been blown in one large specular highlight, hence that slight fuzzy halo you've got around the edges.

Did you shoot them in RAW? If so you might be able to get something back using digital exposure comp. Certainly worth a try.

The only other method using PS would be to adjust the highlights in the levels or curves tool, and see if you can bring some detail back.


Cheers


James



It takes a big man to admit they are wrong, and I am not a big man.
User currently offlineLHSebi From Germany, joined Jan 2004, 1049 posts, RR: 8
Reply 3, posted (9 years 2 months 3 weeks 4 days 21 hours ago) and read 6663 times:

Hi Jeffrey,

Overexposing is usually unsavable. Hence, you should usually be shooting with a -2/3 exposure compensation or so when shooting aircraft on a sunny day with the sun behind you. I shoot mostly in DUS, and most traffic has lots of white in the c/s. Hence, I will always shoot with -2/3 compensation.

Underexposing is easy to fix/correct, so it's always better to be under than over.

Sorry!

Sebastian



I guess that's what happens in the end, you start thinking about the beginning.
User currently offlineA340Spotter From United States of America, joined Jul 2003, 1980 posts, RR: 24
Reply 4, posted (9 years 2 months 3 weeks 4 days 20 hours ago) and read 6646 times:

These shots weren't in RAW format unfortunately, and so they'll go...as I said, no worries as the slides of the NAC 727 have come back perfect so it's not a lost cause with that one...just have to find someone to scan one in for me as I don't have a slide scanner worthy of this site.

Sebastian, I've taken your advice for the future in the other forum and here, thanks...

Jeffrey



"Irregardless, it's a Cat III airplane, we don't need an alternate!"
User currently offlineINNflight From Austria, joined Apr 2004, 3765 posts, RR: 60
Reply 5, posted (9 years 2 months 3 weeks 4 days 20 hours ago) and read 6645 times:

The first 2 are not fixable. The Nippon Cargo 74 still could be worth a try though.

EDIT: If you have photoshop CS, use the shadow / highlight function to try to correct.

[Edited 2005-05-08 00:40:52]


Jet Visuals
User currently offlinePsych From United Kingdom, joined Nov 2004, 3048 posts, RR: 58
Reply 6, posted (9 years 2 months 3 weeks 4 days 11 hours ago) and read 6566 times:
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Jeffrey,

Though it may not be too helpful with these shots, I was told of a way to make some compensation for overexposure in PS.

If you open up your photo and then make a duplicate layer, you can then change the Blending Mode (under the 'Layer' tab) to 'Multiply' and set the Opacity to the high 30's%. Apply this and I understand that this has the effect of reducing the overall 'exposure' of the photo by about one stop. Then merge/flatten the layers.

Now you could try this process only on the selected aircraft itself, rather than the whole image, and it will darken. But the issue is going to be that if the detail is burned out in the original then it will remain so, but the white will be a bit darker.

May be worth a go though to see the effect.

All the best.

Paul


User currently offlineSenorcarnival From , joined Dec 1969, posts, RR:
Reply 7, posted (9 years 2 months 3 weeks 4 days 10 hours ago) and read 6549 times:

Quoting LHSebi (Reply 3):
Underexposing is easy to fix/correct, so it's always better to be under than over.

How would you go about fixing underexposure? Kick up the brightness?


User currently offlinePsych From United Kingdom, joined Nov 2004, 3048 posts, RR: 58
Reply 8, posted (9 years 2 months 3 weeks 4 days 10 hours ago) and read 6542 times:
Support Airliners.net - become a First Class Member!

Quoting Senorcarnival (Reply 7):
How would you go about fixing underexposure? Kick up the brightness?

I would always use the levels histogram to deal with underexposure, not the brightness. I think this allows more subtle control.

Paul


User currently offlineA340Spotter From United States of America, joined Jul 2003, 1980 posts, RR: 24
Reply 9, posted (9 years 2 months 3 weeks 4 days 1 hour ago) and read 6482 times:

Florian,

Thanks...will give the Nippon one another try...just had another white plane rejected that I didn't find to be overexposed and frankly, it's beginning to frustrate me!  Smile

http://www.airliners.net/addphotos/r...jections/big/N703FEancjsdevore.jpg

I did, however, hit the 100 milestone at least today...

Jeffrey



"Irregardless, it's a Cat III airplane, we don't need an alternate!"
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