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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
Carles Sanchez; Antonio Esteban Lansaque; Agnes Borras; Marta Diez-Ferrer; Antoni Rosell; Debora Gil
Title
Towards a Videobronchoscopy Localization System from Airway Centre Tracking
Type
Conference Article
Year
2017
Publication
12th International Conference on Computer Vision Theory and Applications
Abbreviated Journal
Volume
Issue
Pages
352-359
Keywords
Video-bronchoscopy; Lung cancer diagnosis; Airway lumen detection; Region tracking; Guided bronchoscopy navigation
Abstract
Bronchoscopists use fluoroscopy to guide flexible bronchoscopy to the lesion to be biopsied without any kind of incision. Being fluoroscopy an imaging technique based on X-rays, the risk of developmental problems and cancer is increased in those subjects exposed to its application, so minimizing radiation is crucial. Alternative guiding systems such as electromagnetic navigation require specific equipment, increase the cost of the clinical procedure and still require fluoroscopy. In this paper we propose an image based guiding system based on the extraction of airway centres from intra-operative videos. Such anatomical landmarks are matched to the airway centreline extracted from a pre-planned CT to indicate the best path to the nodule. We present a
feasibility study of our navigation system using simulated bronchoscopic videos and a multi-expert validation of landmarks extraction in 3 intra-operative ultrathin explorations.
Address
Porto; Portugal; February 2017
Corporate Author
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
VISAPP
Notes
IAM; 600.096; 600.075; 600.145
Approved
no
Call Number
Admin @ si @ SEB2017
Serial
2943
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