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Post Processing Challenge? #17176
08/24/08 06:51 PM
08/24/08 06:51 PM
Joined: Jul 2007
Tucson, Arizona, USA
Tucson Jim Offline OP
Old hand
Tucson Jim  Offline OP
Old hand

Joined: Jul 2007
Tucson, Arizona, USA
Does anyone want to try and make a silk purse out of a sows ear?

Roman and Dave were kind enough to offer their suggestions for improving an image I posted elsewhere in NWP, which got me thinking that no one has posted a Post Processing Challenge for the group since James did it in April. Although I have never participated, always I thought they were fun to watch. Now I think I’d like to actually participate for a change.

I’m willing to step up be the guinea pig if anyone is interested. I picked this particular image not for its great composition, but because of the great difficulty I had getting the shot coupled with the difficulty I have had in trying to process it.

Here is the set-up:

I took this shot from the deck of a cruise ship as we rounded Cape Horn. Skies were overcast and it was foggy, the ship was rocking slightly and, of course, there was the engine vibration to deal with as well. To make matters worse, at the time, Venezuela and Columbia were rattling sabers and security was tight throughout South America. As a result, Chilean gunboats made sure our Captain kept a respectful distance from the Cape. A 50-200mm zoom was the longest lens I had available.

Below is a copy of a raw file exported to a low-res jpeg.




Exif: Olympus E-510, 50-200mm @ 200mm f/4.5, ISO 200, WB 5700K


The second is a low-res copy of my post processing efforts.



I can email the 9.5MB RAW file if anyone wants it.

Any takers?

Jim

Re: Post Processing Challenge? [Re: Tucson Jim] #17177
08/24/08 07:38 PM
08/24/08 07:38 PM
Joined: Jul 2007
oregon
dave_lines Offline
Venturer
dave_lines  Offline
Venturer

Joined: Jul 2007
oregon
PM sent. DAve

Re: Post Processing Challenge? [Re: dave_lines] #17178
08/24/08 08:26 PM
08/24/08 08:26 PM
Joined: Sep 2005
Portland Oregon
RomanJohnston Offline
Pooh-Bah
RomanJohnston  Offline
Pooh-Bah

Joined: Sep 2005
Portland Oregon
Would like a RAW shot as well.

Re: Post Processing Challenge? [Re: RomanJohnston] #17179
08/24/08 08:31 PM
08/24/08 08:31 PM
Joined: Mar 2007
Arizona
daveman Offline
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daveman  Offline
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Joined: Mar 2007
Arizona
me too... My email address is on my public profile here at NWP.


See my stuff here davedilli.zenfolio.com
Re: Post Processing Challenge? [Re: daveman] #17180
08/24/08 09:18 PM
08/24/08 09:18 PM
Joined: Jul 2007
oregon
dave_lines Offline
Venturer
dave_lines  Offline
Venturer

Joined: Jul 2007
oregon
I just as well be the first to post what I ended up with, I didn't know what the colors were, pumped up the saturation a bit, put a bit of blue in the water, I assumed you wanted to get a bit closer, so cropped in a bit. I hope I can remember how to post the pic here. LOL DAve

Last edited by dave_lines; 08/24/08 09:58 PM.
Re: Post Processing Challenge? [Re: dave_lines] #17181
08/25/08 01:26 AM
08/25/08 01:26 AM
Joined: Mar 2007
Arizona
daveman Offline
Old hand
daveman  Offline
Old hand

Joined: Mar 2007
Arizona
Here is my version. I opened in ACR - balanced the exposure and played with the White Balance. I then saved to Photoshop, converted to CMYK, played with curves a little, converted to RGB, played with curves a little, saved to JPG, straightened the shoreline, and sharpened. I was not sure how green it was, so tried to end up with something not too saturated green.






I hope you like it.

Dave

Last edited by daveman; 08/25/08 01:28 AM.
Re: Post Processing Challenge? [Re: Tucson Jim] #17182
08/26/08 03:47 PM
08/26/08 03:47 PM
Joined: Jul 2007
Tucson, Arizona, USA
Tucson Jim Offline OP
Old hand
Tucson Jim  Offline OP
Old hand

Joined: Jul 2007
Tucson, Arizona, USA
Thanks for helping me with this image Dave & Dave!

(Gee, we’ve got almost as many Daves around here as we do Jims.)

As a neophyte, observing how more experienced and capable photographers handle an image is a great learning tool.

Besides the overcast skies and fog present in the shot, I think it was probably at least 1 f/stop under exposed. That all conspired to rob the shot of color, sharpness, and detail. It looks like both daveman and dave_lines adjusted the color curves, increased the color saturation, and sharpened the image. All of which improved the shot dramatically. dave_lines’ tighter crop offers a completely different perspective, but points out that shooting from higher up would have been a better perspective. The crop leaves me wanting to see the rest of the lighthouse.

After seeing what you guys did with it, I went back and took a couple more tries. The biggest difference between Versions 2 & 4 is the amount of color saturation added and a slightly tighter crop in Version 4. I was surprised to see that increasing the saturation past a certain point seems to negatively affect the perceived sharpness (?).

Version 3:




Version 4:



Thanks!

Jim

Re: Post Processing Challenge? [Re: Tucson Jim] #17183
08/27/08 12:11 AM
08/27/08 12:11 AM
Joined: Mar 2007
Arizona
daveman Offline
Old hand
daveman  Offline
Old hand

Joined: Mar 2007
Arizona
Quote:

I was surprised to see that increasing the saturation past a certain point seems to negatively affect the perceived sharpness (?).





Jim,

Thanks for letting us play with this file. I am really trying to learn to improve my PP skills, and this kind of thing helps.

I believe what you notice as "negatively affecting the perceived sharpeness" happens when you make adjustments that cause the histogram for that color to extend past the left or right edge. This is "blowing out that color", and you lose detail. I cannot seem to avoid over saturating with the Sat slider, so I use curves instead. I know we should watch the histogram for each color after every move, but I usually struggle to remember...

Others on this forum are much more adept at this than me and could provide better insight, but I believe that is what you saw.


See my stuff here davedilli.zenfolio.com
Re: Post Processing Challenge? [Re: Tucson Jim] #17184
08/27/08 09:33 AM
08/27/08 09:33 AM
Joined: Sep 2005
Portland Oregon
RomanJohnston Offline
Pooh-Bah
RomanJohnston  Offline
Pooh-Bah

Joined: Sep 2005
Portland Oregon
Well....here is my entry to the challenge....
Your origonal:


Here is my edit:


Hope it meets your approval.

Roman

Re: Post Processing Challenge? [Re: RomanJohnston] #17185
08/28/08 03:09 AM
08/28/08 03:09 AM
Joined: Jul 2007
Tucson, Arizona, USA
Tucson Jim Offline OP
Old hand
Tucson Jim  Offline OP
Old hand

Joined: Jul 2007
Tucson, Arizona, USA
Hi Roman:

I like it. Actually, I liked all of three of the upgrades you guys made to the original. It is really helpful to me to see what you more experienced photographers did with the original. It will help me in the future.

After seeing your approaches, I am going back over the whole batch of shots I took that morning and am reworking many of them. That will move a lot of them into the keeper category.

Thanks!

Jim


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