[X] My Assistant

[Tman]

I tried to stitch the Everest horizon b/w full res. pan from L7 pancam pics...



(4,08 MB) http://www.greuti.ch/spirit/Spirit_pancam_sol620-22.jpg

The pics were first processed with Michael's anti-vignetting programm, stitched with PTgui and finally processed with PS6.

But now I'm "deadlocked" when adjust the frames together.
The problem is due to the brightness gradient that continues over the whole pan from left to right, from bright to dark.

Has anybody an idea how one could overcome with it? A solution would be if one could correct this brightness gradient, likewise such a simulated brightness gradient in the sky that we sometimes use in pans - only contrary corrected to a uniform gradient.

[Tesheiner]

Tman,

I don't have the answer to you, but can say that autostitch doesn't seem to suffer this problem.

Here is a first trial with Everest pano (66 of 81 images) -- absolutely nasty, off course -- in which we can observe the obvious vignetting effect but not the gradient visible in your PTGui stitch.



It seems that its gain compensation mechanism solves this issue, but then the solution to your problem would be first of all to know the autostitch algorithm and then to implement it. Anybody knows it?