NDLI: Dental cyst delineation using live wire algorithm

Content Provider	IEEE Xplore Digital Library
Author	Ulaganathan, G. Banumathi, A. Amutha, J.J. Jeevani Selvabala, A.
Copyright Year	2012
Description	Author affiliation: Department of Oral & Maxillofacial surgery, Best dental Science college, Madurai- 625015, India (Ulaganathan, G.) \|\| Communication Systems, Department of ECE, Thiagarajar College of Engineering, Madurai, India (Amutha, J.J.; Jeevani Selvabala, A.) \|\| Department of ECE, Thiagarajar College of Engineering, Madurai -625015, India (Banumathi, A.)
Abstract	This paper presents a segmentation algorithm for interactive delineation of various types of dental cysts using Livewire, which is slightly modified from classical Live wire algorithm to segment dental X-ray images. The aim of this paper is to segment regions of dental cysts. It is necessary to choose suitable segmentation method because of adverse parameters of the regions. The regions of the cysts are of low contrast and the pixel intensity distribution is not homogenous, hence the semiautomatic live-wire method was chosen. Live-wire segmentation is an interactive tool for efficient, accurate boundary extraction which requires minimal user input with a mouse. This algorithm calculates the local cost [1] and then applies modified shortest path algorithm for better results. This approach to image segmentation is faster and more accurate than manual segmentation. It is very good compromise between simple manual edge tracing and automatic methods such as thresholding, watershed segmentation or other methods whose results must be post-processed.
Starting Page	129
Ending Page	132
File Size	547294
Page Count	4
File Format	PDF
ISBN	9781467323192
e-ISBN	9781467323222
DOI	10.1109/MVIP.2012.6428777
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-14
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image segmentation Laplace equations Image edge detection Wires interactive delineation boundary extraction Teeth Manuals dental cyct identification Dentistry
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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