16 resultados para user data
Filtro por publicador
- Repository Napier (3)
- Aberdeen University (1)
- AMS Tesi di Dottorato - Alm@DL - Università di Bologna (8)
- AMS Tesi di Laurea - Alm@DL - Università di Bologna (1)
- ArchiMeD - Elektronische Publikationen der Universität Mainz - Alemanha (1)
- Archimer: Archive de l'Institut francais de recherche pour l'exploitation de la mer (1)
- Archive of European Integration (1)
- Aston University Research Archive (45)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (7)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (90)
- BORIS: Bern Open Repository and Information System - Berna - Suiça (15)
- Bucknell University Digital Commons - Pensilvania - USA (1)
- Bulgarian Digital Mathematics Library at IMI-BAS (6)
- CentAUR: Central Archive University of Reading - UK (27)
- CiencIPCA - Instituto Politécnico do Cávado e do Ave, Portugal (16)
- Collection Of Biostatistics Research Archive (1)
- Comissão Econômica para a América Latina e o Caribe (CEPAL) (2)
- Consorci de Serveis Universitaris de Catalunya (CSUC), Spain (13)
- CORA - Cork Open Research Archive - University College Cork - Ireland (7)
- CUNY Academic Works (2)
- Dalarna University College Electronic Archive (4)
- Department of Computer Science E-Repository - King's College London, Strand, London (1)
- Digital Commons @ DU | University of Denver Research (1)
- Digital Commons at Florida International University (27)
- Digital Peer Publishing (6)
- DigitalCommons - The University of Maine Research (1)
- DigitalCommons@The Texas Medical Center (2)
- DigitalCommons@University of Nebraska - Lincoln (1)
- Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (26)
- DRUM (Digital Repository at the University of Maryland) (4)
- Duke University (2)
- Galway Mayo Institute of Technology, Ireland (1)
- Glasgow Theses Service (1)
- Illinois Digital Environment for Access to Learning and Scholarship Repository (2)
- Instituto Politécnico do Porto, Portugal (122)
- Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States (7)
- National Center for Biotechnology Information - NCBI (1)
- Nottingham eTheses (1)
- Open Access Repository of Association for Learning Technology (ALT) (1)
- Open University Netherlands (2)
- Publishing Network for Geoscientific & Environmental Data (19)
- ReCiL - Repositório Científico Lusófona - Grupo Lusófona, Portugal (2)
- Repositório Científico do Instituto Politécnico de Lisboa - Portugal (90)
- Repositório da Escola Nacional de Administração Pública (ENAP) (1)
- Repositório da Produção Científica e Intelectual da Unicamp (13)
- Repositório da Universidade Federal do Espírito Santo (UFES), Brazil (3)
- Repositorio de la Universidad de Cuenca (1)
- Repositório digital da Fundação Getúlio Vargas - FGV (1)
- Repositório Institucional da Universidade de Aveiro - Portugal (2)
- Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (14)
- Repositorio Institucional Universidad Católica de Colombia (1)
- Repositorio Institucional Universidad EAFIT - Medelin - Colombia (1)
- RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (49)
- Scielo Saúde Pública - SP (12)
- Scottish Institute for Research in Economics (SIRE) (SIRE), United Kingdom (1)
- Universidad de Alicante (6)
- Universidad Politécnica de Madrid (31)
- Universidade do Minho (3)
- Universidade dos Açores - Portugal (13)
- Universidade Federal do Pará (1)
- Universita di Parma (1)
- Universitat de Girona, Spain (2)
- Universitätsbibliothek Kassel, Universität Kassel, Germany (4)
- Université de Lausanne, Switzerland (12)
- Université de Montréal (2)
- Université de Montréal, Canada (4)
- University of Canberra Research Repository - Australia (1)
- University of Michigan (33)
- University of Queensland eSpace - Australia (157)
- University of Southampton, United Kingdom (3)
- WestminsterResearch - UK (2)
Resumo:
One of the current frontiers in the clinical management of Pectus Excavatum (PE) patients is the prediction of the surgical outcome prior to the intervention. This can be done through computerized simulation of the Nuss procedure, which requires an anatomically correct representation of the costal cartilage. To this end, we take advantage of the costal cartilage tubular structure to detect it through multi-scale vesselness filtering. This information is then used in an interactive 2D initialization procedure which uses anatomical maximum intensity projections of 3D vesselness feature images to efficiently initialize the 3D segmentation process. We identify the cartilage tissue centerlines in these projected 2D images using a livewire approach. We finally refine the 3D cartilage surface through region-based sparse field level-sets. We have tested the proposed algorithm in 6 noncontrast CT datasets from PE patients. A good segmentation performance was found against reference manual contouring, with an average Dice coefficient of 0.75±0.04 and an average mean surface distance of 1.69±0.30mm. The proposed method requires roughly 1 minute for the interactive initialization step, which can positively contribute to an extended use of this tool in clinical practice, since current manual delineation of the costal cartilage can take up to an hour.