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Inferring Geometric Constraints in Human Demonstrations

Guru Subramani, Michael Zinn, Michael Gleicher
Proceedings of Machine Learning Research (Proceedings of The 2nd Conference on Robot Learning), Volume 87, page 223-236 — October 2018
Download the publication : subramani18a.pdf [2.1Mo]  
This paper presents an approach for inferring geometric constraints in human demonstrations. In our method, geometric constraint models are built to create representations of kinematic constraints such as fixed point, axial rotation, prismatic motion, planar motion and others across multiple degrees of freedom. Our method infers geometric constraints using both kinematic and force/torque information. The approach first fits all the constraint models using kinematic information and evaluates them individually using position, force and moment criteria. Our approach does not require information about the constraint type or contact geometry; it can determine both simultaneously. We present experimental evaluations using instrumented tongs that show how constraints can be robustly inferred in recordings of human demonstrations.

BibTex references

  author       = "Subramani, Guru and Zinn, Michael and Gleicher, Michael",
  title        = "Inferring Geometric Constraints in Human Demonstrations",
  journal      = "Proceedings of Machine Learning Research (Proceedings of The 2nd Conference on Robot Learning)",
  volume       = "87",
  pages        = "223-236",
  month        = "October",
  year         = "2018",
  ee           = "http://proceedings.mlr.press/v87/subramani18a.html",
  url          = "http://graphics.cs.wisc.edu/Papers/2018/SZG18"

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