re: tonal range. you need to adjust your development process (exposure,
curves, etc) to your liking. the hdr itself is just data with extended
dynamic range.
re: artifacts: the hdr merging code doesn't deal with moving objects. your
head (?) in the bottom right corner moves, that confuses the algorithm.
-jo
On Sun, Oct 5, 2014 at 10:51 PM, Colin Adams <[email protected]>
wrote:
> I'm not too sure how this is supposed to work. Probably I am doing
> something wrong.
>
> I took an HDR Tiff file in camera (for comparison purposes), and then I
> took 5 RAW files of the same scene, bracketing across 5EV. With the 5 RAWs
> in darktable, I pressed the HDR button to get a DNG file. The result was
> very disappointing - the dark tone were still to dark, but more importantly
> there are nasty artifacts on the head in the lower right. Using the
> tone-mapping module meant I could improve the tonal range (but I couldn't
> do as well as the in-camera Tiff, which is from 2 shots), but I couldn't do
> anything about the artifacts.
>
> I've uploaded the files to:
>
> https://www.dropbox.com/sh/zaw4i309o9h1b60/AACLMvuz6FX8drLSEknCL9Dga?dl=0
>
> Any advice is welcome.
>
>
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