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trev-pdx
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Photoshop CS5 HDR Issues

Aug 1, 2012 11:35 PM

Hi,

 

I've been using HDR with Photoshop CS5 for quite some time, and I'm now switching to CS6, but am having some troubles that I've never had before.

 

Here's a rundown of what's happening. First, I go to file -> automate -> merge to HDR

 

I then make the changes to gamma, exposure, etc. I leave the 16-bit and local adaptation alone; I've never changed any of that before. Someone mentioned how that could be an issue, but I never adjust any of that. After making the desired edits of colors, exposure, etc., I hit process. I'll show here what I get in the "preview" window where all of the work is being done, and then what the end result is.

 

Preview window:

https://lh4.googleusercontent.com/-FM88Y9mIBAs/UBngkNayp5I/AAAAAAAADyk/N8128gwF7m8/s700/preview.jpg

 

What it comes up with after:

https://lh6.googleusercontent.com/-Y3Z1nchosUY/UBnHw3RFTKI/AAAAAAAADyQ/wjZ_-N405W4/s600/hdr%2520result.jpg

 

Any thoughts or ideas would be greatly appreciated!

508 Views   5 Replies   Latest reply: conroy, Aug 15, 2012 11:50 AM
 
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  • trev-pdx
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    1. trev-pdx,
    Aug 15, 2012 9:27 AM   in reply to trev-pdx
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    Anyone..? My CS6 trial is about to run out, and I'd really like to make this work before purchasing the full version. It's strange, this issue is worse on some images than others, and I have no idea why it's giving me so much trouble!

     
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  • Noel Carboni
    21,006 posts
    Dec 23, 2006
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    2. Noel Carboni,
    Aug 15, 2012 9:39 AM   in reply to trev-pdx
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    I'm unable to help you specifically on this issue, but I do have a comment on the function in general:

     

    I've never personally been able to get more out of Merge to HDR that I could get out of developing a single exposure that captures all the brightest parts just at the limits of overexposure.  This is especially true considering all the flexibility in the controls in Camera Raw 7.  Frankly I don't understand peoples' fascination with Merge to HDR.

     

    -Noel

     
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  • trev-pdx
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    3. trev-pdx,
    Aug 15, 2012 11:09 AM   in reply to Noel Carboni
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    Yeah I've always used multiple exposures, but I'd be more than willing to give a single raw file a try if it could yield the same (or similar) results. With the raw file, how do you do this? I know how to do it with a regular JPG or other format, but is there a different way to do this that utilizes the raw format? Thanks for the help, if anyone else has any input, I'm happy to hear it!

     
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  • Noel Carboni
    21,006 posts
    Dec 23, 2006
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    4. Noel Carboni,
    Aug 15, 2012 11:24 AM   in reply to trev-pdx
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    Yes, open a raw file with Photoshop's Camera Raw, then move the sliders around - e.g., Shadows, Highights, Blacks, Whites, to bring the extreme parts of the exposure in.

     

    It's surprising what results can be gotten from a single raw file:

     

    Several examples:

     

    JPEG From Camera:

    IMG_5844_Camera_JPEG.jpg

     

    Processed Raw File:

    IMG_5844_From_Raw.jpg

     

    JPEG From Camera:

    IMG_5892_Camera_JPEG.jpg

     

    Processed Raw File:

    IMG_5892_From_Raw.jpg

     

    -Noel

     
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  • conroy
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    5. conroy,
    Aug 15, 2012 11:50 AM   in reply to Noel Carboni
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    Frankly I don't understand peoples' fascination with Merge to HDR.

     

     

    One thing it will be useful for is creating HDR images for use by 3D renderers. Not only for image-based lighting, but also for realistic dynamic range in specular reflections and motion-blur.

     
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