Motion Competition: A Variational Approach to Piecewise Parametric Motion Segmentation

@article{Cremers2004MotionCA,
  title={Motion Competition: A Variational Approach to Piecewise Parametric Motion Segmentation},
  author={Daniel Cremers and Stefano Soatto},
  journal={International Journal of Computer Vision},
  year={2004},
  volume={62},
  pages={249-265}
}
We present a novel variational approach for segmenting the image plane into a set of regions of parametric motion on the basis of two consecutive frames from an image sequence. Our model is based on a conditional probability for the spatio-temporal image gradient, given a particular velocity model, and on a geometric prior on the estimated motion field favoring motion boundaries of minimal length. Exploiting the Bayesian framework, we derive a cost functional which depends on parametric motion… CONTINUE READING
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