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Reference TypeConference Proceedings
Identifier8JMKD3MGPBW34M/3EEQBAE
Repositorysid.inpe.br/sibgrapi/2013/07.12.20.08
Metadatasid.inpe.br/sibgrapi/2013/07.12.20.08.40
Sitesibgrapi.sid.inpe.br
Citation KeyMansillaCappMira:2013:ImSeIm
Author1 Mansilla, Lucy A. C.
2 Cappabianco, Fábio A. M.
3 Miranda, Paulo A. V.
Affiliation1 Department of Computer Science, University of São Paulo (USP)
2 Instituto de Ciência e Tecnologia, Universidade Federal de São Paulo
3 Department of Computer Science, University of São Paulo (USP)
TitleImage Segmentation by Image Foresting Transform with Non-smooth Connectivity Functions
Conference NameConference on Graphics, Patterns and Images, 26 (SIBGRAPI)
Year2013
EditorBoyer, Kim
Hirata, Nina
Nedel, Luciana
Silva, Claudio
Book TitleProceedings
DateAug. 5-8, 2013
Publisher CityLos Alamitos
PublisherIEEE Computer Society
Conference LocationArequipa, Peru
Keywordsgraph search algorithms, image foresting transform, non-smooth connectivity functions.
AbstractIn the framework of the Image Foresting Transform (IFT), there is a class of connectivity functions that were vaguely explored, which corresponds to the non-smooth connectivity functions (NSCF). These functions are more adaptive to cope with the problems of field inhomogeneity, which are common in MR images of 3 Tesla. In this work, we investigate the NSCF from the standpoint of theoretical and experimental aspects. We formally classify several non-smooth functions according to a proposed diagram representation. Then, we investigate some theoretical properties for some specific regions of the diagram. Our analysis reveals that many NSCFs are, in fact, the result of a sequence of optimizations, each of them involving a maximal set of elements, in a well-structured way. Our experimental results indicate that substantial improvements can be obtained by NSCFs in the 3D segmentation of MR images of 3 Tesla, when compared to smooth connectivity functions.
Languageen
Tertiary TypeFull Paper
FormatOn-line.
Size603 KiB
Number of Files1
Target File114732_new.pdf
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History2013-07-12 20:08:40 :: pavmbr@yahoo.com.br -> administrator ::
2020-02-19 03:09:22 :: administrator -> :: 2013
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