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| p.1 #9 · HDR Halo Removal -- How? |
Dan Jurak wrote:
Ian, it's easier to prevent the halo rather than remove it.
The halo is the result of exaggerating what HDR programs do best, separate the tones.
It is best to go back to the originals, recombine them and then when you do the tonemapping, pull the sliders over until you start getting the halos, then pull them back.
Then process the image. The result won't be as dramatic but you can't have the tonal separation to that great an extent and not have halos. One or the other.
I hope that helps.
Yup! That's right! Process for tones in the software that tone maps the interim HDR file - NORMALLY without the exaggerations and then for that freak-out "HD-Art" effect use Photoshop's "Shadows/Highlights" plugin which will allow you do to the same thing (even to a common single exposure JPEG) without the halos by setting the Radius appropriately.
Good tip Dan!
Done correctly though I have to add that the result will be just as dramatic - only without the halos.