Luca Campobasso | 31 Jul 15:26 2015
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Code relevant to stitching

Hello!
This is a question probably more addressed to the developers of the Hugin software..

I would like to know the part of the code in the software relevant to this part of the GUI,
in particular the procedure that projects that image on the sphere on the 2d plane. Which files or components are involved?


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William Zhang | 28 Jul 09:24 2015
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who can tell me what papers does the hugin adopt to realize the fisheye images unwarping and stitching function?

I want to know what papers hugin adopt to realize its function, who can tell me? thanks in advance. 

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Terry Duell | 27 Jul 04:36 2015
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Trying to get a 'zeronoise' image

  Hello All,
I have been playing around with the hugin_executor scripting capability  
recently added to the default branch of the source repo, and particularly  
testing the 'zeronoise' script.
I am having some trouble getting a reasonable result.
I have two input images, 6016x4000. They are not the best test set as they  
have been shot handheld.
I pass the test images to align_image_stack, which produces two aligned  
images at 6016x4000.
I then run pto_gen to produce a .pto file to pass to hugin_executor. A  
look inside this .pto shows the default output is 3000x1500.
I run hugin_executor calling the zeronoise.executor script.
The output produced by the script is 3000x1500, and this image contains a  
quite small image in  a (lot of) transparent background...not quite what  
expected.
If I modify the zeronoise.executor script to set nona to save TIFF instead  
of TIFF_m and set --save-intermediate-images, I see that the exposure  
clipped images are 450x317, which is close to the size of the final  
zeronoise output image within the great expanse of transparency, but hard  
to be sure as the final output looks to be equirectangular.

I have been running the whole process via this shell script...
-------------
#! /bin/sh

# test zeronoise tools in hugin-2015.1.0
# Terry Duell Jul 2015

# test images were shot handheld, so use align_image_stack
align_image_stack -v -a AIS IMGP0223.JPG IMGP0225.JPG
echo " stack aligned"

# generate a .pto file
pto_gen -o zeron.pto AIS*
echo " generated .pto"

# run hugin_executor using zero-noise script
hugin_executor -s -p ZN -u zeronoise.executor zeron.pto

echo "All done!"
-------------------

Has anyone had any success or otherwise with generating a 'zeronoise'  
image using the zeronoise.executor script?

Cheers,
-- 
Regards,
Terry Duell

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T. Modes | 26 Jul 09:23 2015
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2015.0 rc3 release

Hi all,

Today we are releasing release candidate 3 of Hugin 2015.0

The new source tarball can be downloaded at launchpad
https://launchpad.net/hugin/2015.0/2015.0rc3/+download/hugin-2015.0.0_rc3.tar.bz2
(upload at sourceforge is still down, so currently the source tarball can only be downloaded from launchpad or use the mercurial repository)

Verify its checksums
MD5
fda7d06f296d3d8ded5b03b0062642cd  hugin-2015.0.0_rc3.tar.bz2
SHA1
be7153a0791f2147153e93e8711912ef23b60b61  hugin-2015.0.0_rc3.tar.bz2

Rc3 is identical to changeset cdefc6e53a58in our repository, which is also tagged as 2015.0rc3

Changes since rc2
* Fixed executor for big projects (only for compilation with wxWidgets 2.8.x needed, wxWidgets 3.x is not affect by this bug.)
* Updated Catalan translation

The release notes are here http://hugin.sourceforge.net/releases/2015.0.0/en.shtml
They are already translated to French and German:
http://hugin.sourceforge.net/releases/2015.0.0/fr.shtml
http://hugin.sourceforge.net/releases/2015.0.0/de.shtml


EXECUTABLES
Users communities produce executables for their respective platforms. They will be announced in this thread.

CHANGES SINCE 2014.0.0
* Hugin 2015.0 has a number of new features. Most of the changes are under the hood to improve stability, allow easier maintenance and easier addition of new features.
* The makefile based stitching engine has been replaced with direct calls to the underlying programs. This should reduce the overhead of calling the same program too often and so speed up the whole process. Hopefully this also allows the usage of more unusual characters in the filename. Instead of pto2mk and make we now have hugin_executor which can also be used for running the assistant from the command line.
* Hugin now has it's own blender, verdandi, based on a watershed algorithm, which has been included in 'nona'.  verdandi can be chosen as the blender by choosing "builtin" in the stitcher tab, and can also be set in  the Preferences. verdandi can also be called as a command line tool.
* The lensfun library has been removed as it did not fulfill our expectations. It has been replaced with our own camera and lens database which uses a data mining approach and operates automatically without user intervention. Geometric distortion and vignetting data have to be loaded manually.
* The fast preview window has a new tool to add or remove control points to selected areas in the output projection.
* Automatic exposure stack detection is now applied when loading images, and an option has been added to unlink image position when adding stacks.
* The fine-tune and auto-estimate functions in the control point tab have been made projection aware. It should now work also with images with different fov or different projections. The fine-tune feature has had a significant speed up when Hugin is compiled with the libfftw3 library (optional).
* PTBatcherGUI has more choice for the end of the process: depending on the operating system the PTBatcherGUI can be closed, the computer can be shut down or send to the hibernate mode.
* PTBatcherGUI now shows the thumbnails when searching for images in directories.
* Many of the underlying tools in hugin are now able to use available cpu cores.

New tools added:
** verdandi: tool for image blending
** hugin_executor: stitching and run assistant from command line
** hugin_lensdb: tools for lens database maintenance

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Bruno Postle | 18 Jul 14:26 2015
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Github anyone?

Sourceforge is still down.
Github is the obvious alternative, though if we want to keep on using mercurial, then bitbucket is very
reliable in my experience.

-- 
Bruno

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William Zhang | 13 Jul 07:50 2015
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How can I use hugin to correct fisheye images and stitch them into a panoramic image?

Hi, all, 
I am a beginner for hugin and image stitching, who can tell me how I can correct a circular fisheye image to a rectangle image with hugin? Due not to access the website "http://hugin.sourceforge.net/tutorials/", where can I get tutorial docs about using hugin? Any advice will be appreciated! 

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dcuste | 13 Jul 00:09 2015
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Final resolution less than what I expected

I want to print out a 3'x5' post at 300dpi. My camera (Sony Alpha 65) is 6000x4000 pixel. I used 6 shots with about a 20% overlap. Three above and three below. I figured that would give me about 18,000 X 8000 less 20% or 14,400X6400 final panorama and a size of 6MBX6=36MB less 20% = 29MB. Hugin did a beautiful job of stitching and blending and the final jpg file was huge at 48MB and covered all of the scene that I expected. But the final jpg image is only 10,100X4,300 pixels. Not good enough for my printer. Why is the file size so large and the pixel number so small? Will this print out like it was higher resolution than the pixel count would indicate? BTW, I'm using version 2013.0.0.0d404a7088e6 because all I have is a 32 bit windows PC. Is there another program out there that will give my a higher resolution? I tried Photo Shop Photomerge, but I only 2GB of RAM and it wants more. I think the Hugin results are better too.    

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Mark Roden | 11 Jul 02:36 2015
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How can I make things just work?

Hi all,

I have two copies of hugin, one from 2012 and one from 2014.  The one from 2012 works perfectly well, and was able to produce stitched panoramas like this one:

http://www.markmroden.com/Travel/Guanajuato-2015/Day-2-Guanajuato/i-rS4MgJf/0/M/P6210932-P6210934-M.png

That's a stitch of three images.  When I load them into 2014, I get complaints about no control points being set, and the images are entirely out of alignment.  When I load them into 2012, the program Just Works, and I'm able to make panoramas.

So how can I download 2012?  Barring that, how can I make 2014 work automatically like 2012 does?  2014 seems to just misorder the images, not find control points, and generally has a lot less of an automatic feel to it.

Thanks,
Mark

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How to stitch windows better(7 comparision panos)?

I have been having problems with windows for a while. I have gotten a lot better, but I am still not at pro level. Recently a guy uploaded his raw cannon files to https://www.facebook.com/groups/panoramicphotographers/ and people to did their best with them and they got some pretty good results.

I am trying to figure out how to do the same with hugin and I am coming up short with regard to the windows, mine get blown out. Yet almost all of the others who have done it have good or great windows. So it can be done. Any thoughts on the how other than masking in the dark copy?

The source files are 4 stacks of 3 images in each stack, with one stack having 6 (364 Mb) http://www.360imagery.co.uk/temp/pano_test_set.zip

Different results that people have gotten:
http://www.360precision.com/stuart_test_v2/index.html
http://mateuszmalinowski.pl/StTh/001/001.html
http://reznik.lt/2015.07.06_from_stuart_thorp/
http://www.360precision.com/stuart_test_v2/index.html
http://www.pano.ie/customer/stuart/
http://www.360imagery.co.uk/temp/my_360/
http://www.360precision.com/stuart_test/index.html

What I get. Any thoughts on how to improve this? I can mask in the dark copy for some of the windows, but some of the others do not have clean edges. Any other thoughts on what I could try?

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rouzebastien | 7 Jul 11:36 2015
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[HELP! ] ERROR caught exception

Hi,

I have an error while opening my .tif files :

ContractViolation:
Precondition violation !
importImage() : number of bands (color channels) in file and destination image differ.


My command : align_image_stack -m -a OUT waytofile1 waytofile2

I already look for remove alpha channels, but i don't have any alpha channels on my images ( see in GIMP)

what can i do ?


Regards,
Bastien

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rouzebastien | 7 Jul 09:36 2015
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[FR] Is Hugin able to read .fits files ?

Hi all,

I am working with somes .fits files,(I am a student working on super resolution) :  I would know if Hugin can read my files.

Thanks,
Bastien
(sorry for my bad english)

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Gmane