With such optimization errors it makes sense to reset the lens
parameters (right click in the images list on the Photos tab: Reset...)
and manually optimize again being very careful with a,b,c. Start with
lensfun defaults if available and after optimizing the position
parameters y,p,r and v make two separate optimization runs with both
image center shift variables d,e (separately, did I already mention
that?), they are available in Advanced and Expert mode.
Lukas Jirkovsky schrieb am 16.12.13 11:58:
On Mon, Dec 16, 2013 at 12:04 AM, pagani laurent
<laurent.pag...@laposte.net> wrote:
Any hints ? Thanks.
Hello Laurent,
there is a terrible barrel distortion on your images. The problem is
that the barrel distortion parameters are difficult to optimize in
mosaic with little overlap. For mosaics, it is better to calibrate
lens in advance (take a look eg. at this tutorial [1]) to get its a,
b, c parameters. When you do the mosaics, you just load the created
lens profile and disable optimization of a, b, c.
Lukas
[1] http://hugin.sourceforge.net/tutorials/calibration/en.shtml
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