Then I take the resulting output.tif file, open it in gimp, change the
precision to 8 or 16bit, and remove the alpha channel (right-click the
layer). This is the result of that process:
http://caseyconnor.org/pub/image/aligned_and_medianed.tif
It certainly looks very good!
However, it's not clear after all, if you used gmic after align_stack or just
applied it directly to the original frames.
I did align_image_stack, and then applied gmic to the aligned frames.
I'm using the latest developing version, 2.9.something, and it already supports,
at least, 16-bit images. Not sure about 32-bit.
Yeah, it should work fine.
It's interesting to see that PS apparently handles lens distortion when
aligning images -- those are impressive results. But maybe
align_image_stack + gmic + gimp can work for you in some cases, too.
Good luck with it,
-c
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