[hugin-ptx] About fulla's TCA correction

2010-02-22 Thread Robert
Hi,

I have been fiddling around with fulla's TCA correction, and I have
some questions about it. The available documentation unfortunately
seems to be a bit unclear, I am afraid.

(1) It is stated that the R and B correction factors are applied 'on
top' of the mean (==green) correction. Does this mean the effective
correction function is a composition, or are the coefficients added to
each other? I *think* fulla applies a composite function (which also
seems more logical), but I am not sure.

(2) If the correction is a composition, in what order are the
corrections applied? I would gather that (viewing the whole
transformation in the direction distorted-corrected) TCA correction
would have to be applied 'before' the geometric correction, since only
this would enable tca_correct to find the correct coefficients in a
distorted image.

(3) I noticed that fulla seems to scale the whole image even if I only
apply R/B parameters. I would think the purpose is to avoid purple or
green fringes on the image border (if/when the red or blue image parts
become smaller than the rest). So does the transformation thus looks
like this: DISTORTED-TCA-Scaling(1)-PTLens-Scaling(2)-CORRECTED
or even DISTORTED-TCA(R)-Scaling(1)-TCA(B)-Scaling(2)-PTLens-
Scaling(3)-CORRECTED?

But: wouldn't this mean that one has to determine the geometric
parameters in hugin on the TCA corrected image? Or does fulla's
transformation queue rather look like this: DISTORTED-TCA-PTLens-
Scaling-CORRECTED (this would probably be more efficient anyway)?

The second choice would mean that the PTLens correction always 'sees'
the unscaled image version (i.e., unchanged in the green subimage),
thus meaning that I have to determine the PTLens coefficients in Hugin
on the untouched image, before applying TCA compensation.

Regards,
Robert

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Re: [hugin-ptx] Re: Masking inside hugin

2010-02-22 Thread Emad ud din Butt
Is it available now or have to wait. If available ? than from where i can
download? I am really stuck with Black mask errors and cant generate final
files. Masking my images manually is surely going to help a lot.

Is there any need of feather addition in masks?




On Fri, Feb 19, 2010 at 10:40 PM, Bruno Postle
brunopos...@googlemail.comwrote:

 On 19 February 2010 06:48, T. Modes thomas.mo...@gmx.de wrote:

  I could in the internal mask processing positive masks clip at the
  image bounderies. But this would not show up in the mask editor.

 I think that would be fine. It is useful to be able to draw part of
 the mask outside the edge of the photo, but this 'outside' part of the
 region can only do bad things in  the 'positive mask' situation.

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Re: [hugin-ptx] Re: Masking inside hugin

2010-02-22 Thread Bruno Postle
On 22 February 2010 11:32, Emad ud din Butt xyzt...@gmail.com wrote:

 Is there any need of feather addition in masks?

This isn't really how it works, you can't use the mask tool for
compositing or placing a foreground object on  different background.
For this you need an image editor.

Enblend can and does use any part of an image overlap to place a seam,
by excluding an area using a mask you are telling enblend to exclude
that region from consideration both when placing the seam and when
blending.

The result is that you can remove a person or object only if some
other photo shows the same part of the scene without that object.

When you 'include' an object with a mask the opposite happens, this
simply removes that part of the scene from all other photos, enblend
then has no choice but to use the region in the photo you selected.

Cristian Marchi has posted a nice tutorial showing the 'positive'
(include region) masking:
http://www.flickr.com/groups/hugin/discuss/72157623472700076/

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[hugin-ptx] windows + cyrillic = still no fun

2010-02-22 Thread prokoudine
Hi,

The latest Windows build available to download reportedly still
doesn't work with folders containing cyrillic characters. Does anybody
want to be plugged to Audacity developers to find out how it was fixed
there?

Alexandre

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[hugin-ptx] win build not working anyway

2010-02-22 Thread prokoudine
Hi,

The user renamed the cyrillic folder, and still no fun with hugin :-/

C:\Program\ Files\Hugin\bin\nona -z PACKBITS -r ldr -m TIFF_m -o 1 -i
0 C:\DOCUME~1\Maria\LOCALS~1\Temp\hug196.tmp
C:\Program\ Files\Hugin\bin\nona -z PACKBITS -r ldr -m TIFF_m -o 1 -i
1 C:\DOCUME~1\Maria\LOCALS~1\Temp\hug196.tmp
C:\Program\ Files\Hugin\bin\nona -z PACKBITS -r ldr -m TIFF_m -o 1 -i
2 C:\DOCUME~1\Maria\LOCALS~1\Temp\hug196.tmp
C:\Program\ Files\Hugin\bin\nona -z PACKBITS -r ldr -m TIFF_m -o 1 -i
3 C:\DOCUME~1\Maria\LOCALS~1\Temp\hug196.tmp
C:\Program\ Files\Hugin\bin\nona -z PACKBITS -r ldr -m TIFF_m -o 1 -i
4 C:\DOCUME~1\Maria\LOCALS~1\Temp\hug196.tmp
C:\Program\ Files\Hugin\bin\enblend --compression NONE -
f9556x2029+87+222 -o 1.tif 1.tif 10001.tif 10002.tif 10003.tif
10004.tif
process_begin: CreateProcess(C:\Program Files\Hugin\bin\enblend.exe,
C:\Program Files\Hugin\bin\enblend --compression NONE -
f9556x2029+87+222 -o 1.tif 1.tif 10001.tif 10002.tif 10003.tif
10004.tif, ...) failed.
make (e=14001): Error 14001make: *** [1.tif] Error 14001

Any clues?

Alexandre

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Re: [hugin-ptx] win build not working anyway

2010-02-22 Thread Zoran Zorkic
On Mon, 22 Feb 2010 10:06:22 -0800 (PST), prokoudine wrote:

user renamed the cyrillic folder, and still no fun with hugin :-/


What version precisely is that?
Have you tried the newer 2010 builds?


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[hugin-ptx] Re: win build not working anyway

2010-02-22 Thread prokoudine
On Feb 22, 9:39 pm, Zoran Zorkic zo...@gmx.net wrote:
 On Mon, 22 Feb 2010 10:06:22 -0800 (PST), prokoudine wrote:
 user renamed the cyrillic folder, and still no fun with hugin :-/

 What version precisely is that?

2009.4, I mentioned it in the previous mail :)

 Have you tried the newer 2010 builds?

And it isn't about *me* :)

Alexandre

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[hugin-ptx] Re: win build not working anyway

2010-02-22 Thread prokoudine
On Feb 22, 9:39 pm, Zoran Zorkic zo...@gmx.net wrote:

 Have you tried the newer 2010 builds?

http://sourceforge.net/projects/hugin/files/ doesn't list anything
newer that 2009.4, no?

Alexandre

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[hugin-ptx] problem compiling code

2010-02-22 Thread Tim
Hi I'm trying to compile alien_image_stack (revision 5009) on Ubuntu
linux Jaunty. I get the following error:

/home/tim/hugin/hugin/src/hugin_base/panodata/PanoramaOptions.cpp: In
member function ‘void
HuginBase::PanoramaOptions::setProjectionParameters(const
std::vectordouble, std::allocatordouble )’:
/home/tim/hugin/hugin/src/hugin_base/panodata/PanoramaOptions.cpp:216:
error: ‘queryFOVLimits’ was not declared in this scope
/home/tim/hugin/hugin/src/hugin_base/panodata/PanoramaOptions.cpp: In
member function ‘void
HuginBase::PanoramaOptions::resetProjectionParameters()’:
/home/tim/hugin/hugin/src/hugin_base/panodata/PanoramaOptions.cpp:229:
error: ‘struct pano_projection_parameter’ has no member named
‘defValue’
make[2]: *** [src/hugin_base/CMakeFiles/huginbase.dir/panodata/
PanoramaOptions.cpp.o] Error 1
make[1]: *** [src/hugin_base/CMakeFiles/huginbase.dir/all] Error 2
make: *** [all] Error 2

I have installed libpano13-bin and libpano13-dev using sudo apt-
get.install. Would these versions be too old? If so how can I get
newer versions that will work.

Thanks,

Tim

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Re: [hugin-ptx] problem compiling code

2010-02-22 Thread Carl von Einem
No wonder you run into problems: you should try align_image_stack
instead of trying to stack images of aliens! ;-)

SCNR,
Carl

Tim schrieb am 22.02.10 19:20:
 Hi I'm trying to compile alien_image_stack (revision 5009) on Ubuntu
 linux Jaunty. I get the following error:
[...]

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Re: [hugin-ptx] problem compiling code

2010-02-22 Thread Michael Crane



...

On 22 Feb 2010, at 19:22, Carl von Einem c...@einem.net wrote:


No wonder you run into problems: you should try align_image_stack
instead of trying to stack images of aliens! ;-)


What/how  does align_image_stack do ?
Cheers

Mick

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Re: [hugin-ptx] problem compiling code

2010-02-22 Thread Carl von Einem
http://wiki.panotools.org/Align_image_stack

(if you use Firefox or Camino you can add the Panotools wiki to your
list of search engines while you visit wiki.panotools.org, works great
e.g. as a glossary)

Apart from hugin, some of the Enfuse GUIs also use align_image_stack,
see http://wiki.panotools.org/Enfuse#GUIs

And here is an example for inverse alien_image_stack
http://upload.wikimedia.org/wikipedia/commons/8/80/Space_Invaders_style.png
4 stacks / 1 score / 1 strange camera (2 spare ones hidden)
:-)

Michael Crane schrieb am 22.02.10 20:55:
 
 
 ...
 
 On 22 Feb 2010, at 19:22, Carl von Einem c...@einem.net wrote:
 
 No wonder you run into problems: you should try align_image_stack
 instead of trying to stack images of aliens! ;-)

 What/how  does align_image_stack do ?
 Cheers
 
 Mick
 

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[hugin-ptx] Re: problem compiling code

2010-02-22 Thread Tim
Unfortunate typo there. I did mean align_image_stack. Any idea how I
could get it to work?

On 22 Feb, 19:22, Carl von Einem c...@einem.net wrote:
 No wonder you run into problems: you should try align_image_stack
 instead of trying to stack images of aliens! ;-)

 SCNR,
 Carl

 Tim schrieb am 22.02.10 19:20: Hi I'm trying to compile alien_image_stack 
 (revision 5009) on Ubuntu
  linux Jaunty. I get the following error:

 [...]

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Re: [hugin-ptx] win build not working anyway

2010-02-22 Thread Bruno Postle

On Mon 22-Feb-2010 at 10:06 -0800, Alexandre Prokoudine wrote:


C:\Program Files\Hugin\bin\enblend --compression NONE -
f9556x2029+87+222 -o 1.tif 1.tif 10001.tif 10002.tif 10003.tif
10004.tif, ...) failed.
make (e=14001): Error 14001make: *** [1.tif] Error 14001


This appears to be because this enblend.exe requires the visual C 
runtime and it isn't installed.


There are a whole lot of identical bug reports in the Hugin tracker.  
It would be useful if you could confirm or not that this is the 
right solution, since I get get any response from the people who 
file these reports.


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Re: [hugin-ptx] problem compiling code

2010-02-22 Thread Bruno Postle

On Mon 22-Feb-2010 at 10:20 -0800, Tim wrote:

Hi I'm trying to compile alien_image_stack (revision 5009) on Ubuntu
linux Jaunty. I get the following error:



error: ‘struct pano_projection_parameter’ has no member named
‘defValue’



I have installed libpano13-bin and libpano13-dev using sudo apt-
get.install. Would these versions be too old? If so how can I get
newer versions that will work.


To build the current Hugin trunk you need the libpano13-2.9.17_beta1 
snapshot from http://panotools.sourceforge.net/


The current stable Hugin 2009.4.0 and the upcoming 2010.0.0 branch 
can both be built with the current stable libpano13-2.9.14


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[hugin-ptx] Re: problem compiling code

2010-02-22 Thread Tim
On 22 Feb, 21:17, Bruno Postle br...@postle.net wrote:
 On Mon 22-Feb-2010 at 10:20 -0800, Tim wrote:

 Hi I'm trying to compile alien_image_stack (revision 5009) on Ubuntu
 linux Jaunty. I get the following error:
 error: ‘struct pano_projection_parameter’ has no member named
 ‘defValue’
 I have installed libpano13-bin and libpano13-dev using sudo apt-
 get.install. Would these versions be too old? If so how can I get
 newer versions that will work.

 To build the current Hugin trunk you need the libpano13-2.9.17_beta1
 snapshot fromhttp://panotools.sourceforge.net/

 The current stable Hugin 2009.4.0 and the upcoming 2010.0.0 branch
 can both be built with the current stable libpano13-2.9.14

 --
 Bruno

Thanks. I managed to find the precompiled Ubuntu package and have used
that.

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Re: [hugin-ptx] About fulla's TCA correction

2010-02-22 Thread Bruno Postle

On Mon 22-Feb-2010 at 00:27 -0800, Robert wrote:


The second choice would mean that the PTLens correction always 'sees'
the unscaled image version (i.e., unchanged in the green subimage),
thus meaning that I have to determine the PTLens coefficients in Hugin
on the untouched image, before applying TCA compensation.


Sorry I can't help with the detail, fulla is mainly useful as the 
only way we have to correct tca.  Correcting barrel distortion is 
better done when stitching with nona as this doesn't lose corner 
pixels, and we also have better ways of correcting photometric 
variables.


fulla has two tca options: one rescales the photo to the size of the 
smallest channel and the other leaves edges with incomplete 
channels.  Unfortunately the first one changes the field of view of 
the photo and the second one introduces pixels with unusable colours 
- Ideally these areas where there is no coverage by all channels 
would be made 100% transparent and/or the same functionality could 
be added to nona and we could discard fulla.


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Re: [hugin-ptx] Panos greater than 360 degrees?

2010-02-22 Thread dmg
Do two images (left side, right side), and then join them with photoshop.

On Mon, Feb 22, 2010 at 9:43 PM, icysubdweller rosyrobo...@inwa.net wrote:
 Is it possible to create panos greater than 360 degrees?

 I shot a 360-degree pano that was 12 images of 30-degrees each.  At
 first, I had stitched the image using twelve images: 1, 2, 3, 4, 5, 6,
 7, 8, 9, 10, 11, 12, and there were control points between all the
 images pairwise, including from 12 back to 1 again.  This looked as
 expected.

 But then I decided I wanted some extra on the ends, so viewers could
 visualize the connectedness of the ends of the image better. I tried
 adding a 13th image to my pano... 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
 12, 1 again.

 I put control points between the images pairwise as listed, and got
 rid of all control points from 12 to the original 1 at the left end.
 But when I align it, hugin seems to figure out that the two 1 images
 are the same, and it overlaps them.  What I really want is an image
 that spans 390 degrees with image 1 repeated at both ends.

 Is there a way to do this?

 Thanks,
 Rodney

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---
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http://turingmachine.org

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