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12 p, 4.0 MB |
Domain generalization in deep learning for contrast-enhanced imaging
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Sendra-Balcells, C. (Universitat de Barcelona) ;
Campello, Victor M (Universitat de Barcelona) ;
Martín-Isla, C. (Universitat de Barcelona) ;
Viladés Medel, David (Institut d'Investigació Biomèdica Sant Pau) ;
Descalzo, Martin (Institut d'Investigació Biomèdica Sant Pau) ;
Guala, Andrea (Hospital Universitari Vall d'Hebron) ;
Rodriguez-Palomares, Jose F (Hospital Universitari Vall d'Hebron) ;
Lekadir, K. (Universitat de Barcelona) ;
Universitat Autònoma de Barcelona
The domain generalization problem has been widely investigated in deep learning for non-contrast imaging over the last years, but it received limited attention for contrast-enhanced imaging. However, there are marked differences in contrast imaging protocols across clinical centers, in particular in the time between contrast injection and image acquisition, while access to multi-center contrast-enhanced image data is limited compared to available datasets for non-contrast imaging. [...]
2022 -  10.1016/j.compbiomed.2022.106052
Computers in Biology and Medicine, Vol. 149 (october 2022) , p. 106052
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2.
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47 p, 3.5 MB |
Collateral damage of Facebook third-party applications : a comprehensive study
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Symeonidis, Iraklis (Katholieke Universiteit Leuven) ;
Biczók, Gergely (Budapest University of Technology and Economics) ;
Shirazi, Fatemeh (Katholieke Universiteit Leuven) ;
Pérez-Solà, Cristina (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ;
Schroers, Jessica (Katholieke Universiteit Leuven) ;
Preneel, Bart (Katholieke Universiteit Leuven)
Third-party applications on Facebook can collect personal data of the users who install them, but also of their friends. This raises serious privacy issues as these friends are not notified by the applications nor by Facebook and they have not given consent. [...]
2018 - 10.1016/j.cose.2018.03.015
Computers & security, Vol. 77 (August 2018) , p. 179-208
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3.
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17 p, 4.1 MB |
Enhancing Carsharing Experiences for Barcelona Citizens with Data Analytics and Intelligent Algorithms
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Herrera, Erika M. (Universitat Oberta de Catalunya. Departament d'Informàtica) ;
Calvet Liñan, Laura (Universitat Autònoma de Barcelona. Departament de Telecomunicació i Enginyeria de Sistemes) ;
Ghorbani, Elnaz (Universitat Oberta de Catalunya. Departament d'Informàtica) ;
Panadero, Javier (Universitat Politècnica de Catalunya. Departament de Gestió) ;
Juan, Ángel A (Euncet Business School. Departament de Gestió)
Carsharing practices are spreading across many cities in the world. This paper analyzes real-life data obtained from a private carsharing company operating in the city of Barcelona, Spain. After describing the main trends in the data, machine learning and time-series analysis methods are employed to better understand citizens' needs and behavior, as well as to make predictions about the evolution of their demand for this service. [...]
2023 - 10.3390/computers12020033
Computers, Vol. 12, Issue 2 (February 2023) , art. 33
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4.
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15 p, 5.3 MB |
W3C PROV to describe provenance at the dataset, feature and attribute levels in a distributed environment
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Closa, Guillem (Universitat Autònoma de Barcelona) ;
Maso, Joan (Universitat Autònoma de Barcelona) ;
Proß, Benjamin (52°North GmbH, Martin-Luther-King-Weg 24) ;
Pons, Xavier (Universitat Autònoma de Barcelona. Departament de Geografia)
Provenance, a metadata component referring to the origin and the processes undertaken to obtain a specific geographic digital feature or product, is crucial to evaluate the quality of spatial information and help in reproducing and replicating geospatial processes. [...]
2017 - 10.1016/j.compenvurbsys.2017.01.008
Computers, Environment and Urban Systems, Vol. 64 (July 2017) , p. 103-117
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5.
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15 p, 3.9 MB |
Hierarchically controlled ecological life support systems
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Ciurans, Carles (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental) ;
Bazmohammadi, Najmeh (Aalborg University. Centre for Research on Microgrids) ;
Poughon, Laurent (Campus Universitaire des Cézeaux. Institut Pascal) ;
Vasquez, Juan (Aalborg University. Centre for Research on Microgrids) ;
Dussap, Claude G. (Campus Universitaire des Cézeaux. Institut Pascal) ;
Gòdia, Francesc (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental) ;
Guerrero, Josep Maria (Aalborg University. Centre for Research on Microgrids)
Life support systems (LSSs) are autonomous systems integrating various generation, recycling, and consumption subsystems with storage capability to maintain the balance of key system compounds. A novel hierarchical control is proposed in this paper to operate an exemplary controlled ecological LSS. [...]
2022 - 10.1016/j.compchemeng.2021.107625
Computers and chemical engineering, Vol. 157 (January 2022) , art. 107625
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6.
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14 p, 663.8 KB |
On Poncelet's maps
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Cimà, Anna (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ;
Gasull, Armengol (Universitat Autònoma de Barcelona. Departament de Matemàtiques) ;
Mañosa Fernández, Víctor 1971- (Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III)
Given two ellipses, one surrounding the other one, Poncelet introduced a map P from the exterior one to itself by using the tangent lines to the interior ellipse. This procedure can be extended to any two smooth, nested and convex ovals and we call these types of maps, Poncelet's maps. [...]
2010 - 10.1016/j.camwa.2010.06.027
Computers and Mathematics with Applications, Vol. 60, Issue 5 (September 2010) , p. 1457-1464
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38 p, 7.4 MB |
MyROOT 2.0 : An automatic tool for high throughput and accurate primary root length measurement
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González, Alejandro (Universitat Ramon Llull. Grup de Recerca en Tecnologies Mèdia) ;
Sevillano, Xavier (Universitat Ramon Llull. Grup de Recerca en Tecnologies Mèdia) ;
Betegón Putze, Isabel (Centre de Recerca en Agrigenòmica) ;
Blasco Escámez, David (Centre de Recerca en Agrigenòmica) ;
Ferrer, Marc (Universitat Ramon Llull. Grup de Recerca en Tecnologies Mèdia) ;
Caño Delgado, Ana I. (Centre de Recerca en Agrigenòmica)
The automatic measurement of external physical traits (i. e. phenotyping) of plant organs, such as root length -which is highly correlated with plant viability- is one of the current bottlenecks in academic and agricultural research. [...]
2020 - 10.1016/j.compag.2019.105125
Computers and Electronics in Agriculture, Vol. 168 (January 2020) , art. 105125
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