Hugin

Color glitches in dark areas

Bug #2032806 reported by Pierre
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Hugin
Opinion
Undecided
Unassigned

Bug Description

Hello,
I use regurarly Hugin to stitch panoramas.
I have a problem with one of them : there are color glitches in some dark areas, that are not there in the original files.
See attached files.

Using v. 2022.0.0.a0962865f932 on Debian 12

See original description
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Pierre (pierre-aussaguel) wrote :
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Pierre (pierre-aussaguel) wrote :
Pierre (pierre-aussaguel)
description: updated
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tmodes (tmodes) wrote :

Reset the response curve. It looks a little bit strange.
Such wrong values for the response curve can happen when the brightness values of the images are not spread over the whole brightness range.

Changed in hugin:
status: New → Opinion
Revision history for this message
Pierre (pierre-aussaguel) wrote :

I modified the curve from personalized to linear (not sure if it is the right way to do) and tried again.
There are less glitches, but there are still here.

Revision history for this message
tmodes (tmodes) wrote :

I said reset response curve (Ra/Rb/Rc/Rd/Re=0 or use reset in context menu) and not set response curve to linear.
If it still is visible reset all photometric parameters (vignetting, color balance, exposure, response curve).

Revision history for this message
Pierre (pierre-aussaguel) wrote :

Ok, I've found the menu.

I reset the response curve, with no success. I also reset all photometric parameters (except EV) but the glitches are still here.

Revision history for this message
tmodes (tmodes) wrote :

I have seen now: the pto file is using normal panorama output, but the image shows the output of blended_fused.
So the artefacts are created from enfuse. This is a known issue, there are already several threads and bug reports about it.

Revision history for this message
Pierre (pierre-aussaguel) wrote :

Ok, so I need to wait for this bug to be fixed.

Is it a known workaround ?

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