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Author
Carles Sanchez; Debora Gil; R. Tazi; Jorge Bernal; Y. Ruiz; L. Planas; F. Javier Sanchez; Antoni Rosell
Title
Quasi-real time digital assessment of Central Airway Obstruction
Type
Conference Article
Year
2015
Publication
3rd European congress for bronchology and interventional pulmonology ECBIP2015
Abbreviated Journal
Volume
Issue
Pages
Keywords
Abstract
Address
Barcelona; Spain; April 2015
Corporate Author
Thesis
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Place of Publication
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Summary Language
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Series Editor
Series Title
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ISBN
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Conference
ECBIP
Notes
IAM; MV; 600.075
Approved
no
Call Number
SGT2015
Serial
2612
Permanent link to this record
Author
Carles Sanchez; Jorge Bernal; F. Javier Sanchez; Marta Diez-Ferrer; Antoni Rosell; Debora Gil
Title
Towards On-line Quantification of Tracheal Stenosis from Videobronchoscopy
Type
Conference Article
Year
2015
Publication
6th International Conference on Information Processing in Computer-Assisted Interventions IPCAI2015
Abbreviated Journal
Volume
10
Issue
6
Pages
935-945
Keywords
Abstract
PURPOSE:
Lack of objective measurement of tracheal obstruction degree has a negative impact on the chosen treatment prone to lead to unnecessary repeated explorations and other scanners. Accurate computation of tracheal stenosis in videobronchoscopy would constitute a breakthrough for this noninvasive technique and a reduction in operation cost for the public health service.
METHODS:
Stenosis calculation is based on the comparison of the region delimited by the lumen in an obstructed frame and the region delimited by the first visible ring in a healthy frame. We propose a parametric strategy for the extraction of lumen and tracheal ring regions based on models of their geometry and appearance that guide a deformable model. To ensure a systematic applicability, we present a statistical framework to choose optimal parametric values and a strategy to choose the frames that minimize the impact of scope optical distortion.
RESULTS:
Our method has been tested in 40 cases covering different stenosed tracheas. Experiments report a non- clinically relevant [Formula: see text] of discrepancy in the calculated stenotic area and a computational time allowing online implementation in the operating room.
CONCLUSIONS:
Our methodology allows reliable measurements of airway narrowing in the operating room. To fully assess its clinical impact, a prospective clinical trial should be done.
Address
Barcelona; Spain; June 2015
Corporate Author
Thesis
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Place of Publication
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Language
Summary Language
Original Title
Series Editor
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IPCAI
Notes
IAM; MV; 600.075
Approved
no
Call Number
Admin @ si @ SBS2015b
Serial
2613
Permanent link to this record
Author
Antoni Gurgui; Debora Gil; Enric Marti
Title
Laplacian Unitary Domain for Texture Morphing
Type
Conference Article
Year
2015
Publication
Proceedings of the 10th International Conference on Computer Vision Theory and Applications VISIGRAPP2015
Abbreviated Journal
Volume
1
Issue
Pages
693-699
Keywords
Facial; metamorphosis;LaplacianMorphing
Abstract
Deformation of expressive textures is the gateway to realistic computer synthesis of expressions. By their good mathematical properties and flexible formulation on irregular meshes, most texture mappings rely on solutions to the Laplacian in the cartesian space. In the context of facial expression morphing, this approximation can be seen from the opposite point of view by neglecting the metric. In this paper, we use the properties of the Laplacian in manifolds to present a novel approach to warping expressive facial images in order to generate a morphing between them.
Address
Munich; Germany; February 2015
Corporate Author
Thesis
Publisher
SciTePress
Place of Publication
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Language
Summary Language
Original Title
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Series Title
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Edition
ISSN
ISBN
978-989-758-089-5
Medium
Area
Expedition
Conference
VISAPP
Notes
IAM; 600.075
Approved
no
Call Number
Admin @ si @ GGM2015
Serial
2614
Permanent link to this record
Author
Sergio Vera; Miguel Angel Gonzalez Ballester; Debora Gil
Title
A Novel Cochlear Reference Frame Based On The Laplace Equation
Type
Conference Article
Year
2015
Publication
29th international Congress and Exhibition on Computer Assisted Radiology and Surgery
Abbreviated Journal
Volume
10
Issue
1
Pages
1-312
Keywords
Abstract
Poster
Address
Barcelona; Spain; June 2015
Corporate Author
Thesis
Publisher
Place of Publication
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CARS
Notes
IAM; 600.075
Approved
no
Call Number
Admin @ si @ VGG2015
Serial
2615
Permanent link to this record
Author
Hanne Kause; Patricia Marquez; Andrea Fuster; Aura Hernandez-Sabate; Luc Florack; Debora Gil; Hans van Assen
Title
Quality Assessment of Optical Flow in Tagging MRI
Type
Conference Article
Year
2015
Publication
5th Dutch Bio-Medical Engineering Conference BME2015
Abbreviated Journal
Volume
Issue
Pages
Keywords
Abstract
Address
The Netherlands; January 2015
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BME
Notes
IAM; ADAS; 600.076; 600.075
Approved
no
Call Number
Admin @ si @ KMF2015
Serial
2616
Permanent link to this record
Author
Gloria Fernandez Esparrach; Jorge Bernal; Cristina Rodriguez de Miguel; Debora Gil; Fernando Vilariño; Henry Cordova; Cristina Sanchez Montes; I.Araujo ; Maria Lopez Ceron; J.Llach; F. Javier Sanchez
Title
Colonic polyps are correctly identified by a computer vision method using wm-dova energy maps
Type
Conference Article
Year
2015
Publication
Proceedings of 23 United European- UEG Week 2015
Abbreviated Journal
Volume
Issue
Pages
Keywords
Abstract
Address
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UEG
Notes
MV; IAM; 600.075;SIAI
Approved
no
Call Number
Admin @ si @ FBR2015
Serial
2732
Permanent link to this record
Author
Gloria Fernandez Esparrach; Jorge Bernal; Cristina Rodriguez de Miguel; Debora Gil; Fernando Vilariño; Henry Cordova; Cristina Sanchez Montes; Isis Ara
Title
Utilidad de la visión por computador para la localización de pólipos pequeños y planos
Type
Conference Article
Year
2016
Publication
XIX Reunión Nacional de la Asociación Española de Gastroenterología, Gastroenterology Hepatology
Abbreviated Journal
Volume
39
Issue
2
Pages
94
Keywords
Abstract
Address
Madrid (Spain)
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AEGASTRO
Notes
MV; IAM; 600.097;SIAI
Approved
no
Call Number
Admin @ si @FBR2016
Serial
2779
Permanent link to this record
Author
Antonio Esteban Lansaque; Carles Sanchez; Agnes Borras; Marta Diez-Ferrer; Antoni Rosell; Debora Gil
Title
Stable Airway Center Tracking for Bronchoscopic Navigation
Type
Conference Article
Year
2016
Publication
28th Conference of the international Society for Medical Innovation and Technology
Abbreviated Journal
Volume
Issue
Pages
Keywords
Abstract
Bronchoscopists use X‐ray fluoroscopy to guide bronchoscopes to the lesion to be biopsied without any kind of incisions. Reducing exposure to X‐ray is important for both patients and doctors but alternatives like electromagnetic navigation require specific equipment and increase the cost of the clinical procedure. We propose a guiding system based on the extraction of airway centers from intra‐operative videos. Such anatomical landmarks could be
matched to the airway centerline extracted from a pre‐planned CT to indicate the best path to the lesion. We present an extraction of lumen centers
from intra‐operative videos based on tracking of maximal stable regions of energy maps.
Address
Delft; Rotterdam; Leiden; The Netherlands; October 2016
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SMIT
Notes
IAM;
Approved
no
Call Number
Admin @ si @ LSB2016a
Serial
2856
Permanent link to this record
Author
Antonio Esteban Lansaque; Carles Sanchez; Agnes Borras; Marta Diez-Ferrer; Antoni Rosell; Debora Gil
Title
Stable Anatomical Structure Tracking for video-bronchoscopy Navigation
Type
Conference Article
Year
2016
Publication
19th International Conference on Medical Image Computing and Computer Assisted Intervention Workshops
Abbreviated Journal
Volume
Issue
Pages
Keywords
Lung cancer diagnosis; video-bronchoscopy; airway lumen detection; region tracking
Abstract
Bronchoscopy allows to examine the patient airways for detection of lesions and sampling of tissues without surgery. A main drawback in lung cancer diagnosis is the diculty to check whether the exploration is following the correct path to the nodule that has to be biopsied. The most extended guidance uses uoroscopy which implies repeated radiation of clinical sta and patients. Alternatives such as virtual bronchoscopy or electromagnetic navigation are very expensive and not completely robust to blood, mocus or deformations as to be extensively used. We propose a method that extracts and tracks stable lumen regions at dierent levels of the bronchial tree. The tracked regions are stored in a tree that encodes the anatomical structure of the scene which can be useful to retrieve the path to the lesion that the clinician should follow to do the biopsy. We present a multi-expert validation of our anatomical landmark extraction in 3 intra-operative ultrathin explorations.
Address
Athens; Greece; October 2016
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MICCAIW
Notes
IAM; 600.075
Approved
no
Call Number
Admin @ si @ LSB2016b
Serial
2857
Permanent link to this record
Author
Mireia Sole; Joan Blanco; Debora Gil; Oliver Valero; G. Fonseka; M. Lawrie; Francesca Vidal; Zaida Sarrate
Title
Chromosome Territories in Mice Spermatogenesis: A new three-dimensional methodology of study
Type
Conference Article
Year
2017
Publication
11th European CytoGenesis Conference
Abbreviated Journal
Volume
Issue
Pages
Keywords
Abstract
Address
Florencia; Italia; July 2017
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Summary Language
Original Title
Series Editor
Series Title
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Series Issue
Edition
ISSN
ISBN
Medium
Area
Expedition
Conference
ECA
Notes
IAM; 600.096; 600.145
Approved
no
Call Number
Admin @ si @ SBG2017a
Serial
2936
Permanent link to this record
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