Finfa811 | 29 Jun 14:22 2016
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Distortion parameters "a,b,c" to "k_1, k_2, p_1, p_2[, k_3[, k_4, k_5, k_6]]" (OpenCV)

Hi there,


I've calibrated my camera and estimated the a,b,c lens distortion parameters, and now I would like to apply some OpenCV code to my images.

How do I convert my a,b,c parameters to OpenCV style "k_1, k_2, p_1, p_2[, k_3[, k_4, k_5, k_6]]"?


Thanks.

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paul womack | 28 Jun 10:32 2016
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Other multi-image techniques?

Whilst Hugin is typically used for panoramas, it can also
be used for HDR via Enfuse.

Does anyone else on the list dabble in other techniques
the involved the manipulation of multiple images?

Once I started listing them, I realised how many there are:

* Panorama
* HDR (exposure stacking)
* Extended DOF (focus stacking)
* Noise reduction (averaging)
* Super Resolution (sub pixel offset stacking)
* Tourist Removal (Median, or manual multi masking)
* exposure adding (photo gathering for astrophotography)
* video post stablisation (inter frame registration)

So - anyone doing anything other than the first two?

(and did I miss any?)

  BugBear

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Edmund Ong | 28 Jun 06:10 2016
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Samsung gear 360

Hi, I am a newbie in this. I have tried using Hugin to stich the above file (taken from Samsung Gear 360) to a jpg that Google chrome  (panaroma viewer app) can view. All the mode dun seems to work. If I use this file directly it will get distorted and have a gap at the joint. Please advise on the following.
1) what mode / procedure to use in hugin
2) any panoramic viewer (offline) that is friendly and easy to be use for the less 360 savy folks (simple rotate and zoom)
3) any panoramic software that can automate the conversion from Samsung Gear 360 to Chrome (or other offline panaroma viewer)

I am a shutter happy folk who love to travel and share my photos to my relatives and friends. I hope to make it easy for them to view my 360 photos. Thanks for any help and suggestion.

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Nicolas Ecarnot | 25 Jun 11:17 2016
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Batch-automagically find picture groups

Hello,

Though being Linux and Hugin (happy) user for years, a friend of mine showed me the commercial software Kolor Autopano.
In a directory containing a thousand of pictures, there were 5 groups of pictures that were panoramas.

Using Hugin and Autopano, I was very surprised to witness that the results were very similar (so I'm confirming I'm happy with Hugin).

One major comfort point on the Autopano side is its ability to scan a whole directory, and detect the sets of pictures that will take part of a pano.
Then the software prepares those sets in the same "project way" we know in Hugin, and lets the user play with the settings and the rendering.
This feature sounds basic to code, as it's merely based on time stamps (closest time stamps are likely to be panoramas - the offset is adjustable).

I was wondering if such a feature could exist in the Hugin world?

Thank you,

Nicolas Ecarnot

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Jakob Dalhoff | 21 Jun 09:33 2016
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Auto optimiser.exe has stopped working

Hi 

I am using Hugin 2016 on a PC running windows 8.

I import the images to make a panorama into Hugin, then mask the tripod and crop the images to the right sizes. I then click align in the simple interface, hugin begins aligning for about 30 seconds and then an error window pops up saying " autooptimiser.exe has stopped working"

does anyone know what I can do to fix this?

Thanks,

Matt

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Gloom Demon | 19 Jun 20:14 2016
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Hugin vs Photoshop?

What is the difference between making panoramas in Hugin and doing them in Photoshop (GIMP)?

Does Photoshop make them better? If not - why the hassle?

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Evert Vorster | 19 Jun 20:01 2016
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Hugin as a video stabilizer... one small issue I am running into...

I am using Hugin to stabilize a video clip, using modifications to some instructions I found online....

Overall this works great, but I am running into an issue.

It seems that masks does not work for large amounts of pictures.

The video clip that I want to stabilize was recorded from a ship, looking out over the ocean. The ship was moving around a bit due to wave action.
Hugin allows me to mask out the superstructure before applying control points, which is awesome.
The final output from Hugin is then remapped images, no exposure correction and low dynamic range, which I can then pick up with other tools.

If I stick a hundred or so images in, this works fine. When I try 2000 images, the program just hangs after the mask polygon is drawn.

Where can I submit a proper bug report?

Kind regards,
Evert

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Gloom Demon | 19 Jun 19:58 2016
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Why is Hugin doing this?

I am trying to create a panorama, shot from my balcony. The only reason for Hugin to behave abnormally I can think of is that I positioned the camera vertically (to gwt more picture in the shot). Other than that - everything is as usual.

And Hugin gives me some strange stretched projection like this:


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Heinrich Schults | 19 Jun 11:50 2016
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woa: NO control points added?

Hello,

when running
Actions ->Control Points -> Warped Overlap Analysis

many Terminal windows for nona and cpfind flash open and close.
There is no text in them.
When done there are no control-points added.

Whats wrong?

my project: (.pto file and images, 4.8 MB):
http://bit.ly/23jnOhC

The set-up:
64-bit Windows 8.

HuginSetup_2015.0.0_64bit-python.exe
from
https://sourceforge.net/projects/hugin/files/hugin/hugin-2015.0/
installed with the default settings.

python-3.4.4.amd64.msi
from
https://www.python.org/downloads/release/python-344/
installed with the default settings.

tiff-3.8.2-1.exe
from
https://sourceforge.net/projects/gnuwin32/files/tiff/3.8.2-1/
installed with the default settings.

Added the following line for tiffdump and Hugin to the PATH:
;C:\Program Files (x86)\GnuWin32\bin;C:\Program Files\Hugin\bin

Open Hugin
File -> Open.
Picked the 1-000000014 - 6-000000014.pto file.

Any help is appreciated.

Btw:
Hugins CPFind (Prealigned) works, but finds an insufficient number of control-points to the top image.
 

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Rafael Camargo | 13 Jun 19:06 2016
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Beginning with hugin scripting

Hi,
Sorry, I'm a completely beginner here, seeking for help.
I'm running Hugin on Ubuntu and I'd like to create a script that could align some batches of images (.tif).
However, I still didn't get where I should type the script. Is it on the Ubuntu terminal? I couldn't even load the images.

Then, any tutorial on those very elementary steps please? I haven't found any yet.
 
Just in case, my images are in batch of 6 images (taken by 6 different sensors) which have always a slightly difference in perspective once the sensors are set beside each other. Then, I'd like basically to follow the steps suggested as "Aligning with hugin", but scripting and using Autopano-sift-C for control points.
http://hugin.sourceforge.net/docs/manual/Align_a_stack_of_photos.html

Thank you in advance
Rafael

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heinrich.schults | 11 Jun 17:55 2016
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Actions ->Control Points -> Warped Overlap Analysis on Windows 8

Hi all,

i downloaded and installed with the default settings:

python-3.4.4.amd64.msi
from
https://www.python.org/downloads/release/python-344/

HuginSetup_2015.0.0_64bit-python.exe
from
https://sourceforge.net/projects/hugin/files/hugin/hugin-2015.0/

tiff-3.8.2-1.exe
from
https://sourceforge.net/projects/gnuwin32/files/tiff/3.8.2-1/
(for tiffdump)

Indeed, hugin now shows the this additional menu:
Actions ->Control Points -> Warped Overlap Analysis

Then i added
;C:\Program Files (x86)\GnuWin32\bin;C:\Program Files\Hugin\bin"
to the PATH

In a Terminal i get
C:\Users\me>tiffdump
gives:
usage: tiffdump [-h] [-o offset] [-m maxitems] file.tif ...

C:\Users\me>nona
gives:
nona: stitch a panorama image

So i assume tiffdump and nona would work?

However
when running "Warped Overlap Analysis" in hugin it still gives the error
script reurned -11

What else to do to make it work?









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Gmane