Curve evolution models for real-time identification with application to plasma etching

@article{Berg1999CurveEM,
  title={Curve evolution models for real-time identification with application to plasma etching},
  author={Jordan M. Berg and Anthony J. Yezzi and Allen R. Tannenbaum},
  journal={IEEE Trans. Autom. Control.},
  year={1999},
  volume={44},
  pages={99-102}
}
It is desirable, in constructing an algorithm for real-time control or identification of free surfaces, to avoid representations of the surface requiring mesh refinement at corners or special logic for topological transitions. Level set methods provide a promising framework for such algorithms. In this paper we present: 1) a mathematical representation of free surface motion that is particularly well-suited to real-time implementation; 2) a technique for estimating an isotropic and homogeneous… 

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