@phdthesis{Chang:PhD,
  author = {Ming-Ching Chang},
  title = {The Medial Scaffold for {3}D Shape Modeling and Recognition},
  school = {Division of Engineering, Brown University},
  address= {Providence, RI, 02912 USA},
  type ={{Ph.D.} Dissertation},
  month = {Sep.},
  year = {2008},
}