15
votes
Accepted
Cannot align images with align_image_stack
Increase the number of control points. The standard is eight (-c 8). Raise this number to 20, 50, 100 or even 500. You will not get a worse result because of that - ...
- 619
13
votes
What are Hugin "stacks"?
Many people use Hugin to do not just panostitching, but also exposure stacking (for high-dyanmic range (HDR) or exposure fusion) at the same time. Stitching 360x180 panoramas shot outside almost ...
- 51.4k
7
votes
Accepted
How to stitch multiple flat virtual images in a grid with Hugin or other FOSSoftware?
After some more studying the program and testing around I finally got it to work! Here is every step I took:
Launch Hugin (version 2019.0.0.a369cbe55179, on Manjaro Linux);
Interface menu > Expert;
...
- 111
7
votes
Accepted
How do I find the focal length when stitching images made with an unknown lens in Hugin?
No, you need to enter either the field of view (FOV), or the lens and crop factor information.
Luckily for you, for the Apollo mission images, the camera and lens information is well documented. The ...
- 32.3k
6
votes
Does Hugin support stitching pictures of the Moon?
With the images you supplied, Hugin (version 2020.0) had no problem automatically finding control points. As you can see, the distance was very good (zero is desired outcome) with average control ...
- 2,831
4
votes
Accepted
How do you create a 360° virtual tour without a fisheye lens?
What you're missing is a lot of scene coverage. To get a 360ºx180º full spherical view, you have to cover the entire sphere. Without a fisheye lens, this is likely to mean multiple rows as well as a ...
- 51.4k
4
votes
Looking for a Hugin PTO viewer standalone app, or just a simple way of viewing my panoramas!
The pto files produced by Hugin are basically just configuration files. Some programs, such as Hugin itself, may be able to open the files and allow you to preview ...
- 26.9k
4
votes
Accepted
How to correct stitching with Hugin?
Broken-Line stitching errors
There may be no way to fix these in Hugin itself, as it's very probable you have a parallax issue when shooting. If you do not rotate the camera/lens combination ...
- 51.4k
4
votes
When creating a panorama with Hugin, how can I disable blending images?
You can tell Hugin to keep the intermediate corrected images by checking Exposure corrected, low dynamic range as shown in the image below. The intermediate images will be corrected for lens ...
- 2,831
4
votes
Accepted
Why does Hugin stitch two pictures the wrong way with big steps?
Three issues are very apparent:
You did not rotate the camera about the no parallax point, often mistakenly called the nodal point. This is readily apparent in the relative alignments of various ...
- 2,831
3
votes
How to correct stitching with Hugin?
Your question is not clear because we do not really know what you have, but if your image is misaligned because you did not use a panorama head, you can not correct it.
Take a look at this: Do I &...
- 24.1k
3
votes
Accepted
Wrapping photos to an equirectangular projection in Hugin
You don't have sufficient scene coverage for an equirectangular. 360x180 coverage means you took enough photos and stitched to cover the entire sphere. If you didn't point your camera straight up and ...
- 51.4k
3
votes
How do I align/stabilize images for a timelapse?
Using align_image_stack, there is no need to load all the images at once. The whole point is to remap the images to one target image, so if image nr. 1 is your anchor image you can just load that ...
- 3,596
3
votes
Accepted
How do I align/stabilize images for a timelapse?
My two cents.
1) Take a look at blender to stabilize video: https://www.youtube.com/watch?v=nU8zqn091rM
2) Do shorter pices of video at a time. Try for example doing sequences of 30-45 frames.
3) ...
- 24.1k
3
votes
Accepted
How can I align two panoramic images?
I have developed my own solution which worked quite well. The main idea is to use linear regression to find out a 2d transform function. I used 4th order polynomial. I.e:
$x' = a_1 + a_2 * x + a_3 * y ...
- 241
3
votes
Accepted
What is the meaning of the distance parameter for line control points?
From http://hugin.sourceforge.net/docs/manual/Hugin_Control_Points_table.html:
Distance, the distance in pixels between a perfect alignment and the actual alignment achieved by the optimiser. ...
- 4,163
3
votes
Accepted
How do I stitch a panorama to keep horizon without bumps while ignoring problems on nearby trees?
It's hard to tell, but it looks like in the stitched image your camera might have been aimed slightly above the horizon in at least 2 of the unstitched shots. By aiming up a little bit, the horizon at ...
- 32.3k
2
votes
How do I stitch a panorama to keep horizon without bumps while ignoring problems on nearby trees?
My guess is that you're not taking care to keep your camera level/consistent in pitch. When you change the orientation of the camera between member shots, you can get errors like this. I'd highly ...
- 51.4k
2
votes
How to reproject and crop a 360°x180° panorama?
This FFMpeg command takes as input an equirectangular image and provides as output an image as if it was shot by a camera poiting in the direction specified by yaw and pitch parameters:
...
- 272
2
votes
How do I align/stabilize images for a timelapse?
As suggested by @HarryHarrison, batch export the images in substantially smaller size like 600x400 and in 8 bit per channel. At least as a test. This will require 50-100x less memory. Repeat your ...
- 5,215
2
votes
How do I align/stabilize images for a timelapse?
The issue may be the size of the images, you're doing images which are 4000x3000, which is considerably larger than 4k resolution, batch scaling your images to a more manageable size before loading ...
- 2,337
2
votes
How do you create a 360° virtual tour without a fisheye lens?
What you are missing is the type of projection used to create a 360 degree tour. The software you are using seems to be building a cylindrical projection and then unrolling it. In other words, it is ...
- 34.8k
2
votes
Accepted
How do I make equirectangular with Hugin, starting 6 pics Cubic Projection?
If you're trying to remap six cube faces back to an equirectangular, the easiest way to do it is with the commercial software package, Pano2VR. Pano2VR lets you feed it six cube face images ...
- 51.4k
2
votes
How to get panorama using few photos warped properly?
If memory serves me you can force Hugin to make certain points form a horizontal or vertical line in the final image. You might look into that. Note however that forcing one part of the image to ...
- 6,385
2
votes
How do I fix the align_image_stack error: "No valid distortion data found in lens database"?
Hugin used to use the lensfun database. But the 2015 version of Hugin's release notes state:
Lens database
Hugin now has its own camera and lens database, and hugin_lensdb is the maintenance tool.
...
- 51.4k
2
votes
Crop overlap in existing panorama
I don't think there's any computational way of doing this. The main problem is that whatever computational software you have isn't going to know your true HFoV (how far you rotated), and you can't use ...
- 51.4k
2
votes
Why does Hugin distort the output image?
I think there are two or three possible issues: one with the commands and two with your photos.
Make sure you (globally) understand the commands you are running. As you have seen for yourself, the ...
- 857
2
votes
Accepted
Stitching a series of images leads to artifacts on bright conditions
Thanks, everyone for replying. I was able to fix the artifacts, the actual issue was with the blending.
From the documentation:
nona can do rudimentary assembly of the remapped images, but a much
...
- 121
2
votes
Ghosting with HDR panorama using hugin
I'm unable to create a reasonable pano from your A & B source files.
A few things are obvious:
The nodal point is off as evidenced by the plants in the foreground
and the railing. It looks like a ...
- 2,831
1
vote
Looking for a Hugin PTO viewer standalone app, or just a simple way of viewing my panoramas!
In Hugin, with the .pto project file open, go to the Fast Preview window (the button with the GL on it) select View → Overview in the menus to open the interactive Overview pane. This ...
- 51.4k
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