A Factorization Approach to Grouping

  title={A Factorization Approach to Grouping},
  author={Pietro Perona and William T. Freeman},
The foreground group in a scene may be d́iscovered́and computed as a factorized approximation to the pairwise affinity of the elements in the scene. A pointwise approximation of the pairwise affinity information may in fact be interpreted as a ́ aliencýındex, and the foreground of the scene may be obtained by thresholding it. An algorithm called ́ ffinity factorizatiońıs thus obtained which may be used for grouping. The affinity factorization algorithm is demonstrated on displays composed of… CONTINUE READING
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