Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/90935
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dc.contributor.authorCheng, Jierongen
dc.contributor.authorFoo, Say Weien
dc.date.accessioned2009-04-27T03:03:50Zen
dc.date.accessioned2019-12-06T17:56:45Z-
dc.date.available2009-04-27T03:03:50Zen
dc.date.available2019-12-06T17:56:45Z-
dc.date.copyright2006en
dc.date.issued2006en
dc.identifier.citationCheng, J. & Foo, S. W. (2006). Dynamic directional gradient vector flow for snakes. IEEE Transactions on Image Processing, 15(6), 1563-1571.en
dc.identifier.issn1057-7149en
dc.identifier.urihttps://hdl.handle.net/10356/90935-
dc.description.abstractSnakes, or active contour models, have been widely used in image segmentation. However, most present snake models do not discern between positive and negative step edges. In this paper, a new type of dynamic external force for snakes named dynamic directional gradient vector flow (DDGVF) is proposed that uses this information for better performance. It makes use of the gradients in both and directions and deals with the external force field for the two directions separately. In snake deformation, the DDGVF field is utilized dynamically according to the orientation of snake in each iteration. Experimental results demonstrate that the DDGVF snake provides a much better segmentation than GVF snake in situations when edges of different directions are present which pose confusion for segmentation.en
dc.format.extent9 p.en
dc.language.isoenen
dc.relation.ispartofseriesIEEE transactions on image processingen
dc.rights© 2006 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. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.en
dc.titleDynamic directional gradient vector flow for snakesen
dc.typeJournal Articleen
dc.identifier.openurlhttp://sfxna09.hosted.exlibrisgroup.com:3410/ntu/sfxlcl3?sid=metalib:PUBMED&id=doi:&genre=&isbn=&issn=1057-7149&date=2006&volume=15&issue=6&spage=1563&epage=71&aulast=Cheng&aufirst=%20Jierong&auinit=&title=IEEE%20Trans%20Image%20Process&atitle=Dynamic%20directional%20gradient%20vector%20flow%20for%20snakes%2Een
dc.identifier.doi10.1109/TIP.2006.871140en
dc.description.versionPublished versionen
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