Manual creation of UltraHDR images

Processing
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The plugin assumes you export pairs of images generated from the same source image. What I do is:

  1. Create a regular base SDR image in DT (crop, filmic, color balance rgb, or whatever other modules you use usually)
  2. Create its another copy in duplicate manager - this will be the gainmap
  3. Apply monochrome module, drop the exposure a lot, and use tone equalizer to make the gainmap mostly black, apart from the parts you’d like to brighten in HDR. Try to boost those highlights a lot.
  4. Select both images, and export them using the “Ultra HDR” storage option.

If you get 0 images, it’s most likely because the module didn’t find two images that were generated from the same source raw.

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