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British Journal of Radiology (1996) 69, 59-63
© 1996 British Institute of Radiology
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The British Journal of Radiology, Vol 69, Issue 817 59-63, Copyright © 1996 by British Institute of Radiology

ARTICLES

Short communication: charge-coupled device camera optical density range enhancement and the effect on radiographic image segmentation

EG Chester, BS Sharif and JP Owen
Department of Electrical and Electronic Engineering, University of Newcastle upon Tyne, UK.

A method is presented for the pre-processing of radiographs in the automated determination of skeletal maturity. By linearly combining several source images, a density range enhancement is obtained without the creation of edge artefacts. An increase of bit depth of 1 bit was obtained, and density range was improved by 1 OD.




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