Am Dienstag, 23. Juni 2020 03:56:03 UTC+2 schrieb Alister Ling:
>
> There are two pairs of bracketed images which may be confusing things. 
> i.e. I have 2 stacks in there. I can't seem to find the right stitch tab 
> check boxes that will give me useful output. The output is really bad if I 
> click calculate photometrics (in part because all the images were not taken 
> with the same exposure settings?) - but I thought this was what Hugin could 
> handle. 
>
Normally, Hugin can handle this. But in this case - where the images are 
mainly dark - it has too less information to calculate vignetting factors. 
But you can use another project with an higher dynamic range, store the 
vignetting parameters there in an ini file or in the lens database and load 
these parameters then in the other project.

Anyway, out of frustration, I decided on doing remapped images, no exposure 
> correction (and no-crop unchecked) and that worked , so I can use enfuseGUI 
> to blend them. Worked decently....
>
This can also be achieved in Hugin by choose "Exposure fused from any 
arrangement" in the stitcher tab.

BUT, I have vignetting that I would like to mitigate. So this is where *fulla 
> *comes in! It would even handle chromatic aberration! Except I get, on 
> Windows,  "Precondition violation! did not find a matching codec for the 
> given file extension" no matter if I use jpg, jpeg, JPG, tif, tiff. 
>
It works here fine. Have you given the file extension for the input *and* 
output image? e.g.
fulla --output=output.tif --vignetting=... input.tif

Thomas
 

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