hugin-devs team mailing list archive

[CarVac <1277770@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I have been trying to stitch a 360 degree by ~40 degree panorama and it
always has a stitching error somewhere around the circle.

What seems to occur is it stitches everything around up until it finds
that it went too far/not far enough, and then the last set of control
point pairs then have a distance of hundreds of pixels, causing the
algorithm to ignore them entirely. Even changing the optimization
parameters to only allow changes to the misplaced photos in question
doesn't work, because the control points still count as outliers and it
does nothing.

If possible, I'd like adjustable outlier rejection so that I could force
the images into line. I ended up having to select the least-interesting
part of the 360 degree circle and split the pano there by removing the
control points.


Operating System: Linux 3.11.0-15-generic x86_64
Architecture: 64 bit
Free memory: 8018064 kiB

Hugin
Version: 2013.0.0.76c3df493921
Path to resources: /usr/share/hugin/xrc/
Path to data: /usr/share/hugin/data/
Path to user lensfun database: /home/carvac/.local/share/lensfun

Libraries
wxWidgets: 2.8.12.1
libpano13: 2.9.18 
Boost: 1.53.0
Exiv2: 0.23.0
Lensfun: 0.2.7.0

** Affects: hugin
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1277770

Title:
  Outlier rejection prevents accurate optimization

Status in Hugin - Panorama Tools GUI:
  New

Bug description:
  I have been trying to stitch a 360 degree by ~40 degree panorama and
  it always has a stitching error somewhere around the circle.

  What seems to occur is it stitches everything around up until it finds
  that it went too far/not far enough, and then the last set of control
  point pairs then have a distance of hundreds of pixels, causing the
  algorithm to ignore them entirely. Even changing the optimization
  parameters to only allow changes to the misplaced photos in question
  doesn't work, because the control points still count as outliers and
  it does nothing.

  If possible, I'd like adjustable outlier rejection so that I could
  force the images into line. I ended up having to select the least-
  interesting part of the 360 degree circle and split the pano there by
  removing the control points.

  
  Operating System: Linux 3.11.0-15-generic x86_64
  Architecture: 64 bit
  Free memory: 8018064 kiB

  Hugin
  Version: 2013.0.0.76c3df493921
  Path to resources: /usr/share/hugin/xrc/
  Path to data: /usr/share/hugin/data/
  Path to user lensfun database: /home/carvac/.local/share/lensfun

  Libraries
  wxWidgets: 2.8.12.1
  libpano13: 2.9.18 
  Boost: 1.53.0
  Exiv2: 0.23.0
  Lensfun: 0.2.7.0

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