What is the best technique for extracting tooth's contour from dental x-ray?

hi everyone i want to segment tooth in dental bite-wing image from bones and other Tissue and then extract contour feature for each tooth. Can any one have any idea, code, help? regard

Answer 1

[Image Analyst]

You need to search the literature because there is no high level tooth extraction software in MATLAB. Go here: http://www.visionbib.com/bibliography/people937.html#Dental%20Identification,%20Dental%20Biometrics and find tons of papers like these:

 Mahoor, M.H.[Mohammad H.], Abdel-Mottaleb, M.[Mohamed],
Classification and numbering of teeth in dental bitewing images,
PR(38), No. 4, April 2005, pp. 577-586.
WWW Link. 0501
BibRef
Earlier:
Automatic classification of teeth in bitewing dental images,
ICIP04(V: 3475-3478).
IEEE DOI 0505
BibRef

Nomir, O.[Omaima], Abdel-Mottaleb, M.[Mohamed],
A system for human identification from X-ray dental radiographs,
PR(38), No. 8, August 2005, pp. 1295-1305.
WWW Link. 0505
BibRef

Nomir, O.[Omaima], Abdel-Mottaleb, M.[Mohamed],
Hierarchical contour matching for dental X-ray radiographs,
PR(41), No. 1, January 2008, pp. 130-138.
WWW Link. 0710
BibRef
Earlier:
Hierarchical Dental X-Ray Radiographs Matching,
ICIP06(2677-2680).
IEEE DOI 0610
Dental biometrics; Dental radiograph; Postmortem; Antemortem; Segmentation; Identification; Hierarchical; Multi-resolution; Chamfer distance BibRef

Answer 2

[Walter Roberson]

http://uk.mathworks.com/matlabcentral/answers/29574#answer_37922