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Dentomaxillofacial Radiology, Vol 30, Issue 2 65-77, Copyright © 2001 by British Institute of Radiology

ARTICLES

Radiographic digital image enhancement. Part II: transform domain techniques

M. Analoui
Oral and Maxillofacial Imaging Research Facility, School of Dentistry, Indiana University, Indianapolis 46202, USA.

Digital image enhancement techniques can have a significant impact on the diagnostic quality of a radiographic image. Selection of an image enhancement technique is a function of image content and its attributes of interest. The diagnostic value of a radiographic image is commonly reduced by its intrinsic limitations as well as interference from unwanted signals. In this second article on radiographic image enhancement the Fourier transform, the most commonly used transformation method, is used to examine examples of methods for image enhancement, with particular emphasis on the removal or reduction of noise.


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Z Z Akarslan, M Akdevelioglu, K Gungor, and H Erten
A comparison of the diagnostic accuracy of bitewing, periapical, unfiltered and filtered digital panoramic images for approximal caries detection in posterior teeth
Dentomaxillofac. Radiol., December 1, 2008; 37(8): 458 - 463.
[Abstract] [Full Text] [PDF]


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