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Author
Carles Sanchez; Debora Gil; Antoni Rosell; Albert Andaluz; F. Javier Sanchez
Title
Segmentation of Tracheal Rings in Videobronchoscopy combining Geometry and Appearance
Type
Conference Article
Year
2013
Publication
Proceedings of the International Conference on Computer Vision Theory and Applications
Abbreviated Journal
Volume
1
Issue
Pages
153--161
Keywords
Video-bronchoscopy, tracheal ring segmentation, trachea geometric and appearance model
Abstract
Videobronchoscopy is a medical imaging technique that allows interactive navigation inside the respiratory pathways and minimal invasive interventions. Tracheal procedures are ordinary interventions that require measurement of the percentage of obstructed pathway for injury (stenosis) assessment. Visual assessment of stenosis in videobronchoscopic sequences requires high expertise of trachea anatomy and is prone to human error. Accurate detection of tracheal rings is the basis for automated estimation of the size of stenosed trachea. Processing of videobronchoscopic images acquired at the operating room is a challenging task due to the wide range of artifacts and acquisition conditions. We present a model of the geometric-appearance of tracheal rings for its detection in videobronchoscopic videos. Experiments on sequences acquired at the operating room, show a performance close to inter-observer variability
Address
Barcelona; February 2013
Corporate Author
Thesis
Publisher
SciTePress
Place of Publication
Portugal
Editor
Sebastiano Battiato and José Braz
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
LNCS
Series Volume
Series Issue
Edition
ISSN
ISBN
978-989-8565-47-1
Medium
Area
800
Expedition
Conference
VISAPP
Notes
IAM;MV; 600.044; 600.047; 600.060; 605.203
Approved
no
Call Number
IAM @ iam @ SGR2013
Serial
2123
Permanent link to this record
Author
Albert Andaluz; Francesc Carreras; Cristina Santa Marta;Debora Gil
Title
Myocardial torsion estimation with Tagged-MRI in the OsiriX platform
Type
Conference Article
Year
2012
Publication
ISBI Workshop on Open Source Medical Image Analysis software
Abbreviated Journal
Volume
Issue
Pages
Keywords
Abstract
Myocardial torsion (MT) plays a crucial role in the assessment of the functionality of the
left ventricle. For this purpose, the IAM group at the CVC has developed the Harmonic Phase Flow (HPF) plugin for the Osirix DICOM platform . We have validated its funcionalty on sequences acquired using different protocols and including healthy and pathological cases. Results show similar torsion trends for SPAMM acquisitions, with pathological cases introducing expected deviations from the ground truth. Finally, we provide the plugin free of charge at http://iam.cvc.uab.es
Address
Barcelona, Spain
Corporate Author
Thesis
Publisher
IEEE
Place of Publication
Editor
Wiro Niessen (Erasmus MC) and Marc Modat (UCL)
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
ISBI
Notes
IAM
Approved
no
Call Number
IAM @ iam @ ACS2012
Serial
1900
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