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DPChallenge Forums >> Individual Photograph Discussion >> HDR First try -
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 02/09/2007 09:53:46 PM · #1
Hello,

Here is my first try. Taken at lunchtime from 3 shots -1, 0, 1.

Please excuse the subject matter. I only get an hour and I was out in 79 degrees (yeah baby...warmth) in my tie to get a quick shot to work on tonight.

The original on my computer looks much better. It seems to lose something in the transition to web. Any suggestions on conversion?

Also...this has the basic PS adjustments after it was turned to HDR. Any workflow you would like to share?

Edit: notice the duckies on the bottom left.

Here is a 1meg upload.

This one is much bigger.... 9 megs if you're interested.

Here is one of the originals

Message edited by author 2007-02-09 22:04:10.
 02/09/2007 10:28:29 PM · #2
I think they look great. Like you said, the subject isn't all that great but the color and light are really good. Much better than the orginal. Great job.
 02/09/2007 10:51:05 PM · #3
Wow! Huge difference. Very nice work!!
 02/09/2007 10:51:15 PM · #4
Thanks...I really like the HDR effect on the shadows and highlights. Even though I could get some of the same effects using levels and curves w/o the HDR...the HDR really seems to be a step above normal processing. Then when you add your levels and curves to the HDR, you get a pretty decent photo.....even with dead trees and weeds!

Originally posted by philup:
I think they look great. Like you said, the subject isn't all that great but the color and light are really good. Much better than the orginal. Great job.

02/10/2007 12:40:09 AM · #5
Now ya got it! ... Welcome to the addic... er ... club.

Next time if you only have time for 3 frames try -2, 0, and +2 for deeper range.

The "bug" gonna get you now ... LOL
 02/10/2007 01:35:43 AM · #6
Originally posted by Greetmir:
Next time if you only have time for 3 frames try -2, 0, and +2 for deeper range.


IN this case, I disagree. Based on the evidence of the single, unaltered image, there is not enough dynamic range in the scene to justify 2 over and 2 under. What I am learning is that if you go too far at either end, the results get worse, not better. You want your bright end to stop with the correct "bright" exposure, and your dark end to stop with the correct "dark" exposure. If you go past those points, the HDR image starts to get muddy and flat looking.

However, a lot of the time you can get optimum results by using more exposures in smaller increments. It depends on the scene. So if you determine that +1 and -1 are your endpoints (and this is common), then you can try +1, +.5, 0, -.5, -1 as your incremental exposures.

R.
 02/10/2007 01:52:57 AM · #7
Let me see if I can illustrate: here's a tone-mapped version of Ken's unprocessed, small original. It's not in any way suffering from blown highlights or empty dark areas; in fact, I could have gotten more out of the darks easily, but it was totally unnatural. So the extreme dynamic range just isn't there, that would require a 5-stop spread of base exposures.



R.

I'm not saying this is "better", btw: I'm just showing the dynamic range isn't especially extreme, so the extra exposures would serve no purpose.

Message edited by author 2007-02-10 01:54:16.
 02/10/2007 02:09:22 AM · #8
Well it looks awesome on my laptop ^_^
 02/10/2007 02:53:02 AM · #9
I just said he could TRY ... so he can see the difference.
 02/10/2007 08:56:19 AM · #10
Thanks Greetmir and all others...

I welcome all suggestions and will try each...this is how we learn!

What really surprised me was that I took 3 frames with the bracket..hand held. I didn't really try to set up a good location...just a convient one for lunchtime...and the shot came out fairly decent after using Photomatics. This gives me confidnece that a good subject and lighting combined with the correct bracket or exposure will produce lots of nice shots for my HDR folder!

Thanks again all.
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