[Kde-imaging] [Bug 309339] Panorama stitching- minor quality of resolution 150

[Axel Krebs]

https://bugs.kde.org/show_bug.cgi?id=309339

--- Comment #2 from Axel Krebs <axel.krebs at t-online.de> ---
When going to EXIF-Data, image information, I see "300" as resolution of
any original pic.
With panorama stitched pics, resolution halfes to "150".

I take this for serious limitation, as the resulting panorama pic is
base of additional treatment steps.

So, refining steps as "minimizing noise", "smoothening", "sharpening"
and other treatment further decrease original qualities.

I did some resarch myself concerning settings within HUGIN- without
success. Besides, I tried extensively to get helpful info of Prof.
Dersch's homepage at Furtwangen Highschool, Germany. He seems to be one
of the developers of panorama tool
<http://webuser.hs-furtwangen.de/~dersch/>.

You may want to check out his pages.

Stitching tool is very hlpfukl in simply caeses, as you express. As much
as I remember, I suggestet it for precisely this scenario some time ago...


Axel
---
Am 31.10.2012 21:47, schrieb Benjamin Girault:
> https://bugs.kde.org/show_bug.cgi?id=309339
> 
> Benjamin Girault <benjamin.girault at gmail.com> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |benjamin.girault at gmail.com
> 
> --- Comment #1 from Benjamin Girault <benjamin.girault at gmail.com> ---
> First, what do you mean by "with 150"?
> 
> I've seen since behavior in the past and I didn't find any solution at the
> time.
> 
> At the moment, my best guess is that Hugin (the software behind this plugin)
> reduces the resolution of the overall panorama such that it doesn't extropolate
> (create new) pixels at both ends of the image. In fact, in these regions, the
> image is far more stretched than in the center, especially for large panorama,
> such that two pixels of the original photos becomes several pixels in the
> panorama if the resolution is kept the same as in the originals for the center
> of the panorama.
> 
> If this is your case, my advice is to use Hugin and switch to a different
> projection. This plugin is not meant for obtaining good results with any
> scenario, but only in the simplest ones, for example with a row of 3 photos, or
> to get a first impression of the stitching quality before processing the
> panorama more thoroughly with Hugin.
>

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