PanoTools NG:
RE: Re: Stitching issues
Mark Fink 2014-Apr-15 13:49:23
...with one exception - fisheye lenses. You can't increase your overlap
because that affects the yaw, which, for reasons I still don't understand,
will change your NPP. So, for rectilinear lenses, by all means shoot with
extra overlap and calibrate your lens that way, but with fisheye lenses, you
need to have your calibration set exactly match the way you will be shooting
later on. Or am I completely off base here...? :o)
Mark
-----Original Message-----
From: #removed# [mailto:#removed#] On
Behalf Of paul womack
Sent: Tuesday, April 15, 2014 4:16 AM
To: #removed#
Subject: Re: [PanoToolsNG] Re: Stitching issues
#removed# wrote:
>
> It might be better to evaluate the lens parameters in a separate project
(preferably a full 360 degree panorama) where there are plenty of features
for control points. Then use these parameters in the present
> project and exclude them from any further optimization.
Seconded. It's really easy to do a calibration shot (preferably with more
overlap than a "normal" shot), because you can
choose your moment, and your target. "Art" and composition can be ignored in
favour of
lots of detail to give good CPs.
Every subsequent pano can be taken quicker and easier, since you *know*
you've got a calibrated lens.
BugBear
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