NDLI: Extraction of cervical vertebrae from panoramic X-ray images

Content Provider	IEEE Xplore Digital Library
Author	Yamamoto, J. Yanase, M. Ogawa, K. Katsumata, A.
Copyright Year	2013
Description	Author affiliation: Grad. Sch. of Eng., Hosei Univ., Tokyo, Japan (Yamamoto, J.; Yanase, M.; Ogawa, K.) \|\| Sch. of Dentistry, Asahi Univ., Gifu, Japan (Katsumata, A.)
Abstract	The purpose of this study is to remove the cervical vertebrae from a dental panoramic x-ray image with a tomosynthesis method. The elimination of the cervical vertebrae is based on the concept of the tomosynthesis method. We first measured the shift-amount that was required to reconstruct a panoramic x-ray image of the dental arch with a calibration phantom. Then, we made the shift-amount that was required to reconstruct the cervical vertebrae. With these data, we reconstructed the focused image of the dental arch and cervical vertebrae. These two images were processed with the blurring functions defined at each focusing geometry of the above images, and the true image of the dental arch without the shadow of the cervical vertebrae was obtained. Our proposed method was evaluated with clinically measured data. The results of the experiments showed that our proposed method was remarkably effective in removing the shadow of the cervical vertebrae.
Starting Page	1
Ending Page	2
File Size	633455
Page Count	2
File Format	PDF
e-ISBN	9781479905348
DOI	10.1109/NSSMIC.2013.6829282
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-27
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dentistry Image reconstruction Biomedical imaging X-ray imaging Teeth Electron tubes
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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