@inproceedings{liuicdcs12,
  author    = {Wenping Liu and
               Hongbo Jiang and
               Xiang Bai and
               Guang Tan and
               Chonggang Wang and
               Wenyu Liu and
               Kechao Cai},
  title     = {Skeleton Extraction from Incomplete Boundaries in Sensor
               Networks Based on Distance Transform},
  booktitle = {ICDCS},
  year      = {2012}
}