Inquiry: Hemispherical Images from cameras like Parrot Bebop/Bebop2
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Description
These sensors are nominally 180deg vert x 180deg horiz and are as such, neither really fisheye nor spherical cameras.
Does OpenSFM have a lens model that can accommodate this type of data? Is it more appropriate to force spherical over fisheye for these images in the meantime?
Forcing brown, auto, spherical, fisheye all lead to really incorrect reconstruction.
Example dataset:
https://testhub1.dronedb.app/r/W6oody/bluebell_Feb_21_85m_with_gcp
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reviewing OpenSfM's supported lens models and the reconstruction path used for the linked Bluebell dataset. Compare the brown, auto, spherical, and fisheye results against the dataset's hemispherical camera characteristics; done means establishing whether an existing model is appropriate or defining the required model behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- computer-vision
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100