Blurring effects in rotational panoramic radiography

William D. McDavid; Ulf Welander; Charles R. Morris

doi:10.1016/0030-4220(82)90494-7

Blurring effects in rotational panoramic radiography

William D. McDavid, Ulf Welander, Charles R. Morris

Comprehensive Dentistry

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

A computer model was developed to investigate how accurately conventional expressions for unsharpness and layer thickness in rotational panoramic radiography approximate the situation encountered in real systems in which the rotational center slides and the effective projection radius varies continuously. Comparison of the results of the model with those of the approximate expressions show that the latter predict the unsharpness with a high degree of accuracy except at the center of the layer.

Original language	English (US)
Pages (from-to)	111-115
Number of pages	5
Journal	Oral Surgery, Oral Medicine, Oral Pathology
Volume	53
Issue number	1
DOIs	https://doi.org/10.1016/0030-4220(82)90494-7
State	Published - Jan 1982

ASJC Scopus subject areas

Pathology and Forensic Medicine
Dentistry(all)

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abstract = "A computer model was developed to investigate how accurately conventional expressions for unsharpness and layer thickness in rotational panoramic radiography approximate the situation encountered in real systems in which the rotational center slides and the effective projection radius varies continuously. Comparison of the results of the model with those of the approximate expressions show that the latter predict the unsharpness with a high degree of accuracy except at the center of the layer.",

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AB - A computer model was developed to investigate how accurately conventional expressions for unsharpness and layer thickness in rotational panoramic radiography approximate the situation encountered in real systems in which the rotational center slides and the effective projection radius varies continuously. Comparison of the results of the model with those of the approximate expressions show that the latter predict the unsharpness with a high degree of accuracy except at the center of the layer.

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Blurring effects in rotational panoramic radiography

Abstract

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