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International Journal of Computerized Dentistry

Edited by B. Reiss, K. Wiedhahn, and O. Schenk

Official publication of the International Society of Computerized Dentistry

ISSN 1463-4201


Winter 2009
Volume 12 , Issue 4

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Developing an Automatic Lateral Cephalometric Landmark Identification Program and Evaluating its Performance

Rakhshan, Vahid K. / Rakhshan, Hamid K. / Sheibaninia, Ahmad

Pages: 327 - 343

To evaluate the accuracy of detecting cephalometric landmarks automatically by computer. Materials and Methods: Digital image processing algorithms (edge-based and morphological) in addition to mathematical algorithms (knowledge-based) were used to develop a program for the identification of 15 lateral cephalometric landmarks on digital cephalograms. The automatic landmark identification system was clinically acceptable (p > 0.05 comparing with 2-mm error range) for five landmarks. The automatic landmark identification is accurate for only some landmarks. Additional studies may be necessary to improve this method. Keywords: lateral cephalometry, software, automatic landmark identification

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