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Author
Fernando Vilariño; Panagiota Spyridonos; Fosca De Iorio; Jordi Vitria; Fernando Azpiroz; Petia Radeva
Title
Intestinal Motility Assessment With Video Capsule Endoscopy: Automatic Annotation of Phasic Intestinal Contractions
Type
Journal Article
Year
2010
Publication
IEEE Transactions on Medical Imaging
Abbreviated Journal
TMI
Volume
29
Issue
2
Pages
246-259
Keywords
Abstract
Intestinal motility assessment with video capsule endoscopy arises as a novel and challenging clinical fieldwork. This technique is based on the analysis of the patterns of intestinal contractions shown in a video provided by an ingestible capsule with a wireless micro-camera. The manual labeling of all the motility events requires large amount of time for offline screening in search of findings with low prevalence, which turns this procedure currently unpractical. In this paper, we propose a machine learning system to automatically detect the phasic intestinal contractions in video capsule endoscopy, driving a useful but not feasible clinical routine into a feasible clinical procedure. Our proposal is based on a sequential design which involves the analysis of textural, color, and blob features together with SVM classifiers. Our approach tackles the reduction of the imbalance rate of data and allows the inclusion of domain knowledge as new stages in the cascade. We present a detailed analysis, both in a quantitative and a qualitative way, by providing several measures of performance and the assessment study of interobserver variability. Our system performs at 70% of sensitivity for individual detection, whilst obtaining equivalent patterns to those of the experts for density of contractions.
Address
Corporate Author
IEEE
Thesis
Publisher
Place of Publication
Editor
Language
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
0278-0062
ISBN
Medium
Area
800
Expedition
Conference
Notes
MILAB;MV;OR;SIAI
Approved
no
Call Number
BCNPCL @ bcnpcl @ VSD2010; IAM @ iam @ VSI2010
Serial
1281
Permanent link to this record
Author
Petia Radeva; Judit Martinez; A. Tovar; X. Binefa; Jordi Vitria; Juan J. Villanueva
Title
CORKIDENT: an automatic vision system for real-time inspection of natural products.
Type
Journal Article
Year
1999
Publication
Abbreviated Journal
Volume
Issue
Pages
Keywords
Abstract
Address
Wales
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
Notes
OR;MILAB;MV
Approved
no
Call Number
BCNPCL @ bcnpcl @ RMT1999
Serial
23
Permanent link to this record
Author
Maria Vanrell; Jordi Vitria; Xavier Roca
Title
A multidimensional scaling approach to explore the behavior of a texture perception algorithm.
Type
Journal Article
Year
1997
Publication
Machine Vision and Applications
Abbreviated Journal
Volume
9
Issue
Pages
262–271
Keywords
Abstract
Address
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
Notes
OR;ISE;CIC;MV
Approved
no
Call Number
BCNPCL @ bcnpcl @ VVR1997
Serial
35
Permanent link to this record
Author
Jordi Vitria; J. Llacer
Title
Reconstructing 3D light microscopic images using the EM algorithm
Type
Journal
Year
1996
Publication
Pattern Recognition Letters
Abbreviated Journal
Volume
17
Issue
14
Pages
1491–1498
Keywords
Abstract
Address
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
Notes
OR;MV
Approved
no
Call Number
BCNPCL @ bcnpcl @ ViL1996
Serial
74
Permanent link to this record
Author
D. Seron; F. Moreso; C. Gratin; Jordi Vitria; E. Condom
Title
Automated classification of renal interstitium and tubules by local texture analysis and a neural network
Type
Journal Article
Year
1996
Publication
Analytical and Quantitative Cytology and Histology
Abbreviated Journal
Volume
18
Issue
5
Pages
410-9, PMID: 8908314
Keywords
Abstract
Address
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
Notes
OR;MV
Approved
no
Call Number
BCNPCL @ bcnpcl @ SMG1996
Serial
76
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