How can I reduce distortion and alignment problems when shooting images for panography or stitched panoramas?
Asked 4/1/2012
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I’m experimenting with panography/panorama-style stitching, but in my first attempts some frames looked distorted, especially toward the center of the scene, and objects didn’t line up correctly after stitching. Is there anything I can do while shooting to reduce this distortion and improve alignment before post-processing?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
14y ago
2 Answers
1
It's hard to give a specific answer without knowing more about your post process workflow, but here are a few things you can try:
Tripod to improve alignment of objects, or - even better - a tripod with a panoramic head.
Shooting and a narrower field of view (shooting at 30mm instead of 17mm for example), this may help reduce lens distortion, though at the expense of having to take more images to cover the same area view.
Tilt shift lens. Expensive! But will produce the best results possible.
However, I think your best bet is to try better software. Photoshop has a panoramic feature that handles distortion, color differences, and other abnormalities quite well. If you already have Photoshop, it's under File -> Automate -> Photomerge. There are other software packages that may also do a good or better job.
Originally by user8843. Source · Licensed CC BY-SA 4.0
user8843
14y ago
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Yes. Good shooting technique can reduce stitching problems a lot.
- Use a tripod to keep framing consistent; a panoramic head is even better for alignment.
- Shoot with a narrower field of view rather than an ultra-wide lens. For example, a longer focal length can reduce visible lens distortion, though you’ll need more frames to cover the same scene.
- A tilt-shift lens can give the best control, but it’s a specialized and expensive option.
- Also consider your software: better stitching software can correct distortion, alignment, and exposure/color differences more effectively. Photoshop’s Photomerge is one example.
So, the main fixes before shooting are steadier camera support and avoiding very wide-angle views; after shooting, strong panorama software often makes the biggest difference.
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