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@INPROCEEDINGS{,
     author = {Ambrosio, Gregorio and Gonzalez-Jimenez, Javier},
      title = {Extracting and Matching Perceptual Groups for Hierarchical Stereo Vision},
  booktitle = {Int. Conference  on Pattern Recognition (ICPR’00)},
       year = {2000},
   location = {Barcelona, Spain}
}