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Automatic noise robust registration of radiographs for subtraction using strategic local correlation: an application to radiographs of dental implants

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Authors
Yi, Won-Jin; Heo, Min-Suk; Lee, Sam-Sun; Choi, Soon-Chul; Lee, Sun-Bok
Issue Date
2004
Publisher
Elsevier
Citation
International Congress Series 1268 (2004) 1157– 1161
Keywords
Digital subtraction radiographyAutomatic registration for dental radiographsLocal correlation
Abstract
We have developed an automatic registration method without using the manual selection
of landmarks. By restricting a geometrical matching of images to a region of interest (ROI), we
compare the cross-correlation coefficient only between the ROIs. The transform parameters
satisfying maximum of cross-correlation between the local regions are searched iteratively by a fast
searching strategy. The developed method can match the images corrupted by Gaussian noise with
the same accuracy for the images without any transform simulation. The application of the developed
method to radiographs of dental implants provides an automatic noise robust registration with high
accuracy in almost real time.
ISSN
0531-5131
Language
English
URI
http://hdl.handle.net/10371/68953
DOI
https://doi.org/10.1016/j.ics.2004.03.060
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Appears in Collections:
College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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