论文信息 - A Preliminary Study of Computer Recognition and Identification of Skeletal Landmarks as a New Method of Cephalometric Analysis

A Preliminary Study of Computer Recognition and Identification of Skeletal Landmarks as a New Method of Cephalometric Analysis

The usefulness of results obtained with cephalometrics is limited by measurement error. Much of this is due to the subjective nature of landmark identification on X-rays. Such subjectivity is not eliminated by electronic plotting equipment—despite its high resolution. Automatic (non-subjective) landmark identification of sella and menton was carried out in this study using the CLIP4 image processing system. The results obtained on 23 radiographs were compared with those of conventional techniques.

[1] C D Stephens,et al. The reflex optical plotter. A preliminary report , 1981, British Dental Journal.

[2] J F Gravely,et al. The Clinical Significance of Tracing Error in Cephalometry , 1974, British journal of orthodontics.

[3] Sheldon Baumrind,et al. The reliability of head film measurements , 1971 .

[4] A. M. Cohen. Uncertainty in Cephalometrics , 1984, British journal of orthodontics.

[5] Wendell L. Wylie,et al. A syllabus in roentgenographic cephalometry , 1957 .

[6] T. W. Ridler,et al. Picture thresholding using an iterative selection method. , 1978 .

[7] A Richardson,et al. An investigation into the reproducibility of some points, planes, and lines used in cephalometric analysis. , 1966, American journal of orthodontics.

[8] A Richardson,et al. A comparison of traditional and computerized methods of cephalometric analysis. , 1981, European journal of orthodontics.

[9] Michael J. B. Duff,et al. Review of the CLIP image processing system , 1899, AFIPS National Computer Conference.