3D tracking of animals in the field, using rotational stereo videography
- de Margerie, Emmanuel
- Simonneau, Manon
- Caudal, Jean-Pierre
- Houdelier, Cécilia
- Lumineau, Sophie
DOIAbstract
International audienceWe describe a method for tracking the path of animals in the field, based on stereo videography and aiming-angle measurements, combined in a single, rotational device. In open environments, this technique has the potential to extract multiple 3D positions per second, with a spatial uncertainty of <1 m (rms) within 300 m of the observer, and <0.1 m (rms) within 100 m of the observer, in all directions. The tracking device is transportable and operated by a single observer, and does not involve any animal tagging. As a video of the moving animal is recorded, track data can easily be completed with behavioural data. We present a prototype device based on accessible components that achieves about 70% of the theoretical max...
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