Background and Foreground Modelling Using an Online EM Algorithm

  title={Background and Foreground Modelling Using an Online EM Algorithm},
  author={Johan Lindstr{\"o}m and Finn Lindgren and Kalle {\AA}str{\"o}m and Jan Holst and Ulla Holst},
A novel approach to background/foreground segmentation using an online EM algorithm is presented. The method models each layer as a Gaussian mixture, with local, per pixe l, parameters for the background layer and global parameters f or the foreground layer, utilising information from the entir e scene when estimating the foreground. Additionally, the online EM algorithm uses a progressive learning rate where the relati ve update speed of each Gaussian component depends on how often the… CONTINUE READING


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