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Conference Paper: Estimation of the gray level variations in soft and hard peri-implant tissue from X-ray images

TitleEstimation of the gray level variations in soft and hard peri-implant tissue from X-ray images
Authors
KeywordsPeriodontal disease
Periapical film
X-ray image
Image alignment
Issue Date1997
PublisherIEEE.
Citation
The 19th IEEE Engineering in Medicine and Biology Society Conference Proceedings, Chicago, Illinois, USA, 30 October - 2 November 1997, v. 2, p. 802-805 How to Cite?
AbstractIn the treatment and assessment of periodontal disease periapical films are taken at regular intervals. The films are compared around the region of the implant to monitor the changes that have taken place. A computer-assisted method to automate this process is presented here. To compare two images, a pair of X-ray images are superimposed on top of each other. The images are normalized and transformed to obtain the best fit. These images are subtracted and the difference in pixel values are used as a basis for analysis. A method for improving the alignment accuracy and contrast compensation is highlighted.
Persistent Identifierhttp://hdl.handle.net/10722/46056
ISSN

 

DC FieldValueLanguage
dc.contributor.authorLeung, CCen_HK
dc.contributor.authorKwok, PCKen_HK
dc.contributor.authorZee, KYen_HK
dc.contributor.authorChan, FHYen_HK
dc.date.accessioned2007-10-30T06:41:35Z-
dc.date.available2007-10-30T06:41:35Z-
dc.date.issued1997en_HK
dc.identifier.citationThe 19th IEEE Engineering in Medicine and Biology Society Conference Proceedings, Chicago, Illinois, USA, 30 October - 2 November 1997, v. 2, p. 802-805en_HK
dc.identifier.issn1557-170Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/46056-
dc.description.abstractIn the treatment and assessment of periodontal disease periapical films are taken at regular intervals. The films are compared around the region of the implant to monitor the changes that have taken place. A computer-assisted method to automate this process is presented here. To compare two images, a pair of X-ray images are superimposed on top of each other. The images are normalized and transformed to obtain the best fit. These images are subtracted and the difference in pixel values are used as a basis for analysis. A method for improving the alignment accuracy and contrast compensation is highlighted.en_HK
dc.format.extent365697 bytes-
dc.format.extent2599 bytes-
dc.format.extent13817 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©1997 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.subjectPeriodontal diseaseen_HK
dc.subjectPeriapical filmen_HK
dc.subjectX-ray imageen_HK
dc.subjectImage alignmenten_HK
dc.titleEstimation of the gray level variations in soft and hard peri-implant tissue from X-ray imagesen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1557-170X&volume=2&spage=802&epage=805&date=1997&atitle=Estimation+of+the+gray+level+variations+in+soft+and+hard+peri-implant+tissue+from+X-ray+imagesen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/IEMBS.1997.757764en_HK
dc.identifier.hkuros34861-

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