Browsing Departament d'Arquitectura i Tecnologia de Computadors by titles

One-shot pattern projection for dense and accurate 3D reconstruction in structured light

Fernández Navarro, Sergio (Date of defense: 22-06-2012)

This thesis focuses on the problem of 3D acquisition using coded structured light (CSL). In CSL, a projected pattern impinges artificial texture onto the object surface, increasing the number of correspondences in the ...

Online acoustic localization methods for autonomous underwater vehicles

Vallicrosa Massaguer, Guillem (Date of defense: 15-11-2018)

Autonomous Underwater Vehicles (AUVs) true autonomy capabilities in complex unknown environments, have not yet been fully achieved because of the lack of online algorithms that can solve fundamental problems such as ...

Online path planning for autonomous underwater vehicles under motion constraints

Hernández Vega, Juan David (Date of defense: 26-10-2017)

The most common applications of autonomous underwater vehicles (AUVs) include imaging and inspecting different kinds of structures on the sea. Most of these applications require a priori information of the area or structure ...

Path planning with homotopic constraints for autonomous underwater vehicles

Hernàndez Bes, Emili (Date of defense: 15-06-2012)

This thesis addresses the path planning problem for Autonomous Underwater Vehicles (AUVs) using homotopy classes to provide topological information on how paths avoid obstacles. Looking for a path within a homotopy class ...

Robot learning applied to autonomous underwater vehicles for intervention tasks

Carrera Viñas, Arnau (Date of defense: 21-07-2017)

The interest in performing underwater tasks using Autonomous Underwater Vehicles (AUVs) has been growing over the past few years. In this thesis, a flexible framework for underwater interventions using a Learning ...

Robust image segmentation applied to magnetic resonance and ultrasound images of the prostate

Ghose, Soumya (Date of defense: 19-10-2012)

Prostate segmentation in trans rectal ultrasound (TRUS) and magnetic resonance images (MRI) facilitates volume estimation, multi-modal image registration, surgical planing and image guided prostate biopsies. The objective ...

Robustness against large-scale failures in communications networks

Segovia Silvero, Juan (Date of defense: 15-12-2011)

This thesis studies robustness against large-scale failures in communications networks. If failures are isolated, they usually go unnoticed by users thanks to recovery mechanisms. However, such mechanisms are not effective ...

Simultaneous detection and segmentation for generic objects

Torrent Palomeras, Albert (Date of defense: 08-07-2013)

This thesis deals with the simultaneous detection and segmentation for generic objects in images. The proposed approach is based on building a dictionary of patches, which defines the object and allows the extraction of ...

Simultaneous localization and mapping using single cluster probability hypothesis density filters

Lee, Chee Sing (Date of defense: 01-09-2015)

The majority of research in feature-based SLAM builds on the legacy of foundational work using the EKF, a single-object estimation technique. Because feature-based SLAM is an inherently multi-object problem, this has led ...

Sonar scan matching for simultaneous localization and mapping in confined underwater environments

Mallios, Angelos (Date of defense: 15-05-2014)

This thesis presents the development of a localization and mapping algorithm for an autonomous underwater vehicle (AUV). It is based on probabilistic scan matching of raw sonar scans within a pose-based simultaneous ...

Supporting competence development processes on open learning systems through personalization

Baldiris Navarro, Silvia Margarita (Date of defense: 14-12-2012)

This thesis aim for promoting the learning objects economy by offering teacher the possibility of generating adaptive and standardized learning designs. The adaptation of the generated learning design considers two of the ...

Supporting technology for augmented reality game-based learning

Tobar Muñoz, Hendrys Fabián (Date of defense: 15-06-2017)

In this thesis, Augmented Reality Game-Based Learning (ARGBL) is explored and arguments are given in favor of its application in the classrooms. The thesis explores the concept and proposes technologies, theories and ...

Surface reconstruction methods for seafloor modelling

Campos Dausà, Ricard (Date of defense: 02-06-2014)

Underwater maps are an important source of information for the scientific community, since mapping the seafloor is the starting point for underwater exploration. The advance of range scanning methodologies (both acoustic ...

Technology-based process for suporting university students with ADHD

Mancera Valetts, Laura (Date of defense: 06-02-2019)

In this thesis, the Adaptative Hypermedia Systems (AHS) are used to generate e-Learning processes that consider the characteristics of university students who suffer from Attention Deficit Hyperactivity Disorder (ADHD). ...

Tools for 3D point cloud registration

Roure Garcia, Ferran (Date of defense: 08-03-2017)

In this thesis, we did an in-depth review of the state of the art of 3D registration, evaluating the most popular methods. Given the lack of standardization in the literature, we also proposed a nomenclature and a ...

Tracing the creation and evaluation of accessible Open Educational Resources through learning analytics

Ávila Garzón, Cecilia (Date of defense: 12-06-2018)

The adoption of Open Educational Resources (OER) has been continuously growing and with it the need to addressing the diversity of students’ learning needs. Because of that, OER should meet with characteristics such as the ...

Underwater navigation and mapping with an omnidirecional optical sensor

Bosch Alay, Josep (Date of defense: 17-10-2018)

Omnidirectional vision has received increasing interest during the last decade from the computer vision community. However, the use of omnidirectional cameras underwater is still very limited. In this thesis we propose ...

Underwater slam for estructured environments using and imaging sonar

Ribas Romagós, David

Aquesta tesi tracta sobre el problema de la navegació per a vehicles submarins autònoms que operen en entorns artiﬁcials estructurats com ara ports, canals, plataformes marines i altres escenaris similars. A partir ...

Validation of availability and policy based management for programmable networks

Maldonado López, Ferney A. (Date of defense: 12-09-2017)

SDN is a network technology that separates control functions and the data plane. This separation allows flexibility in the management and use of network resources because the software is specialized in controlling the ...

Web-based application for medical imaging management

Mata Miquel, Christian (Date of defense: 24-07-2015)

Prostate and breast cancer are the most common cause of cancers in men and women, respectively. Medical imaging plays an important role in breast and prostate cancer detection and evaluation. Then to prove that our web-based ...

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