why does green look yucky

Why does green look really yucky when it comes to HDR?

cuz someone over cooked their HDR?

my greens here do not look too bad:

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imjason wrote in post #14788956
cuz someone over cooked their HDR?

my greens here do not look too bad:

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Sunset from Tunnel View, Yosemite by JFChanPhoto, on Flickr

^^^^That's gorgeous!

thanks mark!

OP, if the greens look "yucky" then process your HDRs so that the greens are not yucky. its like any type of post processing of photos. dont like something, then fix it.

I too didn't like how greens and browns came out when I first tried photomatix. But you have the ability to create any tones you want. Keep at it and good luck!

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Duck Soup,

Were the greens really that colour?

Duck Soup wrote in post #14789283
you have the ability to create any tones you want. Keep at it and good luck!

That pretty much sums it up. Processing images is all about making the changes you want, if the greens "look yucky", then adjust them so that they don't. Have you tried adjusting the green channel with H/S/L ?

Photomatix will often introduce color shifting and artifacting into an HDR merge and tone map. It could be from several sources, including poor image acquisition in your exposure sequence (the images do not cover the entire dynamic range of the scene and clamping results), using AUTO White Balance so that colors are not uniform across the exposure sequence due to variations in the channel multipliers applied by the AUTO WB, noise in the shadow tones where green may be a dominant color (like grass and trees), overcooking the settings during tone mapping, etc.

Although Photomatix is not the only application to cause artifacts in the HDR merge and toning process, it is notorious for being able to produce them very easily if the user ignores proper technique for image acquisition or goes too far with tone mapping sliders. The HDR process does not pollute greens, but mishandling the HDR process can definitely produce unpleasant results.

Add "greens look yucky" to "everything turns slightly magenta" and "everything looks like it is covered in coal dust" and "everything looks like it has been touched by nuclear meltdown." A conservative, gentle tonemapping in Photomatix will yield a solid, well compressed base image that is ready to be finalized outside of Photomatix. The key is not to produce yucky greens in the first place - this avoids having to "correct" them later. Trying to push the image too far in tonemapping will uncover problems inherent in the source data and cause artifacts that will only be amplified as you try to manipulate the image down the line.

Rarely have I found that a final image can be produced fully within Photomatix and yield reasonable results. If you are going for "artistic" or whatever you want to call non-photographic, then you can get crazy results directly from Photomatix.

kirk

Every single HDR I get from Photomatix has greens which have too much yellow in them, without a doubt. I've compared them to the originals, and there not even close.
So you can balance them afterwards in PS or in Photomatix.Add a little blue, or just color balance the whole image.

Try to keep in mind that photomatix is just one step in the whole process, it shouldn't be your final image when it comes out of photomatix. Blue, Green, and Magenta are always needing adjusting it seems. HUE/SAT in Lightroom 4 work great for color adjustment correcting.

wolfden wrote in post #14791054
Try to keep in mind that photomatix is just one step in the whole process, it shouldn't be your final image when it comes out of photomatix. Blue, Green, and Magenta are always needing adjusting it seems. HUE/SAT in Lightroom 4 work great for color adjustment correcting.

I agree. My HDR processing workflow is pretty involved, and photomatix or hdr efex pro 2 or whatever combines the images is just a momentary stop along the way.

I frequently bring the RAWs into DxO Optics Pro for some lens corrections and save them as .tif files. Then into PMP or HEP2 (or sometimes even into Photoshop CS6, which seems to do better alignment than either one) for HDR 32bit image generation. Then PMP or HEP2 does the tonemapping even if I did the combining in PS. Out of there as a .tif, into PS for final tuning. Then sometimes from there into the trash can, which is where many HDR images should end up.

As with Wolfden, I use LR to put things right as I saw it.