Syntactic recognition of skeletal maturity

  • Authors:

  • A Pathak;S.K Pal;R.A King

  • Affiliations:

  • Electronics and Communication Sciences Unit, Indian Statistical Institute, Calcutta 700 035, India;Electronics and Communication Sciences Unit, Indian Statistical Institute, Calcutta 700 035, India and Dr. Pal was on leave with the Electrical Engineering Department, Imperial College of Science ...;Electrical Engineering Department, Imperial College of Science and Technology, London SW7 2BT, England

  • Venue:
  • Pattern Recognition Letters
  • Year:
  • 1984

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Abstract

A hierarchical three-stage syntactic recognition algorithm using context-free grammars is described for automatic identification of skeletal maturity from X-rays of hand and wrist. The primitives considered are dot, straight line and arcs of three different curvatures (including both senses) in order to describe and interpret the structural development of epiphysis and metaphysis with growth of a child.