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Hi everyone, I have been using sleep to track mice, and specifically the whisker tips and base. Now I also want to track the middle of the whiskers, so approximately halfway between the tip and the base. Is it possible to tell sleap that a node is always at a certain relative distance between 2 other nodes? This is some example data of how the labeling should look: Thanks for thinking along! |
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Hi @bramurai, That's a great question and suggestion! We don't have a good way of explicitly doing that, but we had plans to implement a feature where chains in the skeleton could be adjusted to be evenly spaced, which works well in many settings where you have curvilinear structures. This would only work at the labeling stage and would encourage models to learn even spacing between landmarks while reducing human annotation variability. On the inference side, while you could always space them out evenly post hoc, it's a bit harder to constrain the models themselves. If you don't mind sharing some example data, we'd be happy to whip up a quick notebook that implements equal spacing for each whisker, which you can then assess for yourself as to whether it meets your needs. Cheers, Talmo |
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Hi @talmo Thank you for your quick response. Good to know this option does not exist, fixing it post hoc will not be a problem. Best, |
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Hi @bramurai,
That's a great question and suggestion!
We don't have a good way of explicitly doing that, but we had plans to implement a feature where chains in the skeleton could be adjusted to be evenly spaced, which works well in many settings where you have curvilinear structures. This would only work at the labeling stage and would encourage models to learn even spacing between landmarks while reducing human annotation variability.
On the inference side, while you could always space them out evenly post hoc, it's a bit harder to constrain the models themselves.
If you don't mind sharing some example data, we'd be happy to whip up a quick notebook that implements equal spacing for eac…