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En els equips de Fórmula Student, no només és necessari construir el millor cotxe per a guanyar competicions, sinó també trobar i entrenar els millors pilots. En aquesta tesi, es proposa una aplicació d'anàlisi visual per a les dades recollides durant la conducció del cotxe, amb l'objectiu d'avaluar i comparar els pilots. Aquesta eina ha suposat una millora significativa en termes de facilitat d'ús, comunicació i interpretació de les dades. Així, les decisions sobre la selecció dels pilots per a l'equip ara es poden prendre de manera guiada per les dades., Formula Student teams not only need to build the best car to win competitions but also need to select and train their top drivers. In this thesis, we propose a visual analysis application for the data collected by the car during driving, aiming to evaluate and compare the drivers. This tool has resulted in an improvement in terms of user-friendliness, communication, and interpretability of the data. Thus, decisions regarding the selection of team drivers can now be done data-driven.

The field of immersive analytics consists of the study and development of visual analytics tools in three-dimensional (3D) Virtual Reality (VR) environments. This area of research is very recent and has numerous open questions and challenges, such as determining how and to what degree of accuracy data can be perceived in this kind of VR environments. In this context, the aim of this project was, on the one hand, to implement several classical visualization techniques (such as scatter plots, bar charts, etc.) in a VR setup to determine how well the techniques translate to an immersive analytics context. On the other, to conduct a user study to evaluate one of them, the three dimensional bar charts, in combination with several framing elements and collecting eye tracking data. Its results indicate that framing elements don't seem to improve bar charts perception accuracy in an immservie analytics setting. This document presents the complete development and design process of the different techniques implemented, as well as the results and experimental design of the study. Furthermore, it details the planning and budget executed to bring the project to fruition., El camp d'Anàlisis Immersiu (Immersive Analytics) consisteix en l'estudi i el desenvolupament d'eines analítiques visuals en entorns tridimensionals (3D) de realitat virtual (RV). Aquesta és una área d'investigació molt recent amb nombroses preguntes obertes i reptes, entre els quals es troba la questió de determinar com i amb quina precisió es poden percebre dades en aquest tipus d'entorns immersius. En aquest context, l'objetiu d'aquest projecte és, per una banda, implementar diferents tècniques de visualització clàsiques (com gràfics de dispersió, diagrames de barres, etc.) en RV per a determinar com es tradueixen a un context d'anàlisis immersiu. Per altre banda, realitzar un estudi d'usuari per analitzar una d'elles, els diagrames de barra, en combinació amb diversos elements de enquadrament i recol·lectant dades de seguiment dels ulls. Aquest document presenta el complet procés de desenvolupament i disseny de les diferents tècniques, així com els resultats i el disseny experimental de l'estudi. A més a més, detalla la planificació i el pressupost executats per a portar a terme el projecte.

The main objective of this project was the creation of an application so that the end costumer is able to carry out marketing segmentations using the data of his BBDD. To reach the goal, a Talend process has been designed that would be applicate to the data so it can reach a good level of quality so it can be seen in Qlik. The project has been completed and all the goals reached., El objetivo principal de este proyecto es la creación de una aplicación para que el cliente final sea capaz de realizar segmentaciones de Márquetin según los datos de consumidores que tiene guardado en su BBDD. Para conseguir esto, se ha diseñado un proceso a través de Talend que se aplicará a los datos para llegar a un buen nivel de calidad y después poder visualizarlos en Qlik. El proyecto se ha completado y se han conseguido todos los objetivos., L'objectiu principal d'aquest projecte és la creació d'una aplicació per que un client final sigui capaç de realitzar segmentacions de Màrqueting segons les dades dels consumidors que emmagatzema en les seves BBDD. Per assolir això, s'ha dissenyat un procés mitjançant Talend que s'aplicarà a les dades per què tinguin un bon nivell de qualitat i després visualitzar-les amb Qlik. El projecte s'ha completat i s'han assolit tots els objectius.

Aquest treball consisteix a crear una aplicació on es recullin dades per poder fer una anàlisi sobre l'exposoma ambiental i el seu afecte en el càncer de pulmó. Servirà per poder fer recomanacions de prevenció del càncer de pulmó i ajudarà a, donat un pacient, definir possibles factors sinèrgics poden produir el seu càncer de pulmó. Per les diferents dades que obtinguem, estudiarem possibles representacions per poder visualitzar la màxima informació d'una manera clara en un gràfic. També estudiarem maneres d'augmentar la usabilitat d'una aplicació web., This work involves creating an application where data is collected so that an analysis can be made about the environmental exposure and its effect on lung cancer. It will serve to make recommendations for the prevention of lung cancer and will help, given a patient, to define possible synergistic factors that can cause their lung cancer. Due to the different data we obtain, we will study possible representations in order to be able to visualize the maximum information in a clear way in a graph. We will also look at ways to increase the usability of a web application.

Un heatmap es una representación de datos que puede describirse esencialmente como una tabla de datos que denota conjuntos de valores como celdas, codificados en colores. La percepción de los gráficos es la clave para un diseño eficaz de los mismos, éste se ha rastreado y estudiado durante años para mejorar la calidad de las visualizaciones. Sin embargo, los heatmaps parecen estar olvidados. En este proyecto, estudiaremos la percepción de un heatmap, probando configuraciones comunes y estandarizadas a través de tareas perceptivas sencillas.

En els darrers anys, el Natural Language Processing (NLP) s'ha trobat present en infinitat d'àmbits, essent una disciplina que s'està desenvolupant a una velocitat vertiginosa. En aquest projecte, el que es pretén és donat un corpus de documents y l'ús de tècniques de NLP, acabar obtenint el grau de similitud semànticament parlant que hi ha entre tots els documents i representar-lo visualment., In the last few years, Natural Language Processing (NLP) has become an element present in many fields, being a discipline that is developing at a vertiginous speed. In this project, the aim is given a corpus of documents and the use of NLP techniques, to end up obtaining the degree of semantic similarity that there is between all the documents and to represent it visually.

L'evolució dels dispositius electrònics que faciliten la captura automàtica de dades dels jugadors i del desenvolupament del joc de les diferents lligues esportives, ha obert una nova dimensió amb impacte directe sobre l'evolució del propi joc i de l'estratègia que l'envolta. En aquest context, el repte es troba en trobar les eines adequades per facilitar la comprensió i la utilització adequada i útil d'aquest gran volum de dades, per tal de poder-ne aprofitar el seu valor i transmetre'l de manera directe a tot tipus d'usuari. Així doncs, l'objectiu d'aquest Treball de Fi de Grau és desenvolupar una eina de visualització que permeti a tècnics, experts, professionals o seguidors de la lliga americana de bàsquet obtenir respostes a aspectes concrets sobre el desenvolupament del joc que, d'altra manera, podrien passar absolutament desapercebuts. El projecte posa a disposició dels usuaris una eina de visualització interactiva i de filtratge de les dades, que permet representar la informació de forma personalitzada i, per mitjà de la comparació entre equips, temporades, faciliten l'anàlisi i l'avaluació de possibles factors que puguin descriure l'impacte de certes estratègies en els resultats dels partits., In the sports sector, among others, there is an evolution of the devices that facilitate the capture of automatic data. This evolution has opened a new dimension with a direct impact on the strategy and on the evolution of the game itself. In this context, the challenge lies in finding the tools that facilitate the understanding and proper use of this large dataset, in order to take advantage of its value and transmit it directly to all types of users. Therefore, the objective of this Final Degree Project is to develop a sports visualization tool that allows technicians, experts, professionals or fans of the American Basketball League to obtain answers to specific aspects about the development of the game. Interactive data visualization and filtering tools are provided to show personalized representation of the dataset, allowing analysis and comparison between teams and seasons, as well as the evaluation and evolution of possible factors that may explain the impact of some strategies on the results of the games.

Part de l'ensenyament dels futurs metges cirurgians es basa en la visualització i l'anàlisi de vídeos d'operacions quirúrgiques. No obstant això, la tecnologia actual per visualitzar té certes limitacions. Els anàlisis de vídeos gravats d'operacions quirúrgiques que existeixen actualment i estan a disposició dels cirurgians són molt limitats en nombre i funcionalitats. Per exemple, no permeten filtrar per les eines utilitzades en l'operació ni per les fases que aquesta té. Per això, vaig decidir crear una eina que permetés una visualització més eficient dels vídeos d'operacions quirúrgiques comentades. Per tal d'aconseguir-ho, vaig desenvolupar una sèrie d'eines de visualització i una interfície d'usuari, en forma d'aplicació web, per a presentar aquestes eines. L'objectiu principal d'aquesta tesi és crear una eina que pugui ser utilitzada per resoldre algunes necessitats en el camp de la ciència mèdica. En concret, facilitar el procés d'aprenentatge dels cirurgians i els metges residents. Durant el desenvolupament del projecte, l'eina ha estat avaluada per sis cirurgians per donar suport a la hipòtesi de la utilitat d'aquesta eina per a la professió de metge cirurgià., Part of the teaching of future medical surgeons is based on the viewing and analysis of videos of surgical operations. However, the current technology to visualize them has certain limitations. The analysis of recorded videos of surgical operations that are currently present and available to the surgeons nowadays are very limited in number and functionalities. For instance, they don't allow to filter by the tools used in the operation nor the phases that it has. Because of that, I decided to create a tool that allows a more efficient viewing of annotated surgical operation videos. To do so, I developed a series of visualization tools and a user interface, in the form of a website to present the aforementioned tools.The main goal of this thesis is to create a tool that can be used to solve some needs in the field of medical science. Specifically. to facilitate the learning process of surgeons and resident doctors. During the development of the project, the tool has been evaluated by six surgeons to back up the hypothesis of the usefulness of this tool to the medical surgeon profession., Parte de la enseñanza de los futuros médicos cirujanos se basa en la visualización y el análisis de vídeos de operaciones quirúrgicas. Sin embargo, la tecnología actual para visualizarlos tiene ciertas limitaciones. Los análisis de vídeos grabados de operaciones quirúrgicas que existen actualmente y están a disposición de los cirujanos son muy limitados en número y funcionalidades. Por ejemplo, no permiten filtrar por las herramientas utilizadas en la operación ni por las fases que ésta tiene. Por ello, decidí crear una herramienta que permitiera una visualización más eficiente de los vídeos de operaciones quirúrgicas comentadas. Para ello, he desarrollado una serie de herramientas de visualización y una interfaz de usuario, en forma de página web, para presentar dichas herramientas. El objetivo principal de esta tesis es crear una herramienta que pueda ser utilizada para resolver algunas necesidades en el campo de la ciencia médica. En concreto, facilitar el proceso de aprendizaje de los cirujanos y los médicos residentes. Durante el desarrollo del proyecto, la herramienta ha sido evaluada por seis cirujanos para respaldar la hipótesis de la utilidad de esta herramienta para la profesión de médico cirujano.

El presente trabajo consiste en el desarrollo de una visualización de datos de los terremotos más significativos producidos en el planeta entre los años 2000 y 2020 utilizando Processing. El objetivo es comprobar las ventajas y desventajas de trabajar con Processing a la par que introducir a las personas interesadas en el ámbito de las visualizaciones de datos, explicando su importancia a lo largo de la historia y la actualidad y finalmente siguiendo todo el proceso de conceptualización, testeo y desarrollo de una. El desarrollo del trabajo está seccionado en muchos apartados, prácticamente a modo de tutorial, para que cada persona pueda centrarse en la fase del proyecto que le sea de mayor interés y utilidad, además de que así se permite mostrar de mejor manera las funcionalidades de Processing para los que no lo conocen y así puedan empezar a aprender a utilizarlo no sólo para visualizaciones de datos sino también para aplicar los conocimientos aprendidos en otros proyectos multimedia. Durante el proceso se muestran las diferentes decisiones tomadas en todas las fases del proyecto además de los diversos retos y problemas que se han presentado durante el desarrollo, incluyendo también las diferentes soluciones y alternativas para poder desarrollar la aplicación. En conclusión, se ha podido comprobar que Processing proporciona resultados óptimos en cuanto al desarrollo de aplicaciones multimedia de esta envergadura. Como resultado se ha conseguido una visualización de datos funcional y de alta fidelidad visual en comparación a los prototipos propuestos desde un inicio, cumpliendo de manera satisfactoria los objetivos propuestos

The increasing demands for greener transport solutions results in a foreseeable increase of Electric Vehicles (EV). The development of EVs puts strong demands on the development of LithiumIon Batteries but also into its dismantling process, which today is made manually and therefore is time-consuming. LIBRES, Lithium-Ion Battery Recycling, is a project owned by Norsk Hydro with the goal of finding fully-automated solutions for complete LIB batteries dismantling. The work presented in this thesis is a part of the LIBRES project and its aim is to develop a task planner for EV LIB battery pack dismantling to a module level through the design and implementation of a computer vision system. The designed task planner integrates the communication between the primary system elements (i.e. the robot, the 3D camera and the computer). The aim of the task planner is (1) to scan the dismantling scene, (2) to identify the different LIB components and their locations in the battery, (3) to create a dismantling order and lastly (4) to move the robot to the detected dismantling positions. The object detection algorithm "You Only Look Once" combined with the projects pose estimation part is used to find the different components in the disassembly scene and determine their position. To implement the designed task planner, a Volkswagen Hybrid LIB pack is considered. Results show that the method has a good accuracy with errors lower than 5 mm. In addition, the system is able to perform steps (1), (2), and (3) mentioned above, in an average time of 40 seconds.

En la actualidad los dispositivos Wearables permiten la monitorizaci´on de las acti- vidades diarias de una persona de forma continua, como lo es la cantidad de pasos realizados, cantidad de calor´ıas, la frecuencia cardiaca, la temperatura corporal, en- tre otras. La implementaci´on de IoT (Internet of Things) en el sector de la salud, ha introducido la implementaci´on de Wearables para monitorizaci´on de signos vitales y poder tener la informaci´on adquirida de forma segura en una base de datos o a trav´es de un dispositivo m´ovil. El presente trabajo expone el prototipado y desarrollo de el dispositivo Vi-D Sigmo, para ser implementado como herramienta para diagn´ostico y monitorizaci´on de una forma sencilla y econ´omica, especialmente para el sector rural. El dispositivo permite la adquisici´on y trasmisi´on v´ıa bluetooth de las sen˜ales de elec- trocardiograf´ıa (ECG), presi´on sangu´ınea y temperatura corporal. Adicionalmente, se crea un software de apoyo para la visualizaci´on de las sen˜ales en tiempo real y de forma amigable para el usuario.

Landslide tragedies occurred in Taman Bukit Mewah, Bukit Antarabangsa on 6th December 2008. This traumatised the local residents and helped trigger awareness on supervision and monitoring of early signs of landslide in the residential area. This study’s goal is to facilitate local residents in gaining local knowledge and preparations for possibilities of landslides. This study aims to integrate the GIS web-based technologies with GIS community involvement in the use of the GIS portal. GIS community is a social unit of people living in the same area and at the same time, sharing spatial information among them. The GIS website display online map for Bukit Antarabangsa’s area, to facilitate users, especially the local residents to search, view and learn about the area, including the map and attributes information about slopes, hills, residential lots, roads and water drainage. In addition, map can be printed directly through GIS website. The daily rainfall information from Department of Irrigation and Drainage is integrated in the system; the total rainfall for the area is displayed. This is important as rainfall is one of the factors driving to landslide. The GIS website has e-form for users to report incidents or problems that occur; clogged drains, fallen trees and landslides or landslip with function to upload and download the pictures of the incidents. Reports then will be screened in advance and if the reports relate to landslides, it will be forwarded directly to local authorities. User requirement analysis was conducted using interview sessions, and the respondents were from committee member of the local resident communities and local authorities. From the analysis, it shows the GIS application in the community is important to display and distribute maps with attribute information. GIS web portal userfriendliness and effectiveness evaluation have been conducted with 20 participants. From the feedback, the web portal are deemed suitable for community engagement

Landslide tragedies occurred in Taman Bukit Mewah, Bukit Antarabangsa on 6th December 2008. This traumatised the local residents and helped trigger awareness on supervision and monitoring of early signs of landslide in the residential area. This study’s goal is to facilitate local residents in gaining local knowledge and preparations for possibilities of landslides. This study aims to integrate the GIS web-based technologies with GIS community involvement in the use of the GIS portal. GIS community is a social unit of people living in the same area and at the same time, sharing spatial information among them. The GIS website display online map for Bukit Antarabangsa’s area, to facilitate users, especially the local residents to search, view and learn about the area, including the map and attributes information about slopes, hills, residential lots, roads and water drainage. In addition, map can be printed directly through GIS website. The daily rainfall information from Department of Irrigation and Drainage is integrated in the system; the total rainfall for the area is displayed. This is important as rainfall is one of the factors driving to landslide. The GIS website has e-form for users to report incidents or problems that occur; clogged drains, fallen trees and landslides or landslip with function to upload and download the pictures of the incidents. Reports then will be screened in advance and if the reports relate to landslides, it will be forwarded directly to local authorities. User requirement analysis was conducted using interview sessions, and the respondents were from committee member of the local resident communities and local authorities. From the analysis, it shows the GIS application in the community is important to display and distribute maps with attribute information. GIS web portal userfriendliness and effectiveness evaluation have been conducted with 20 participants. From the feedback, the web portal are deemed suitable for community engagement

Numerous Program Visualization tools (PVs) have been developed for assisting novice students to understand their source code further. However, none of them are practical to be used in the context of completing programming laboratory task; students are required to keep switching between PV and programming workspace since PV’s features are considerably limited for developing programming solution from scratch. This paper combines PV with programming workspace to handle such issue. Resulted tool (which is named PITON) has 13 features extracted from PythonTutor (a program visualization tool), PyCharm (a programming workspace), and student’s feedbacks about PythonTutor. According to think-aloud and user study, PITON is more practical to be used than a combination of PythonTutor and PyCharm. Further, its features are considerably helpful; students rated these features as useful and frequently used, Peer Reviewed

Aquest projecte consisteix en el disseny d’un videojoc per computador, així com la seva implementació utilitzant el software la plataforma de desenvolupament Unity, realitzat amb el llenguatge de programació C#. El resultat és un prototip d’aquest videojoc disponible per a sistemes operatius Windows i Linux. Es tracta d’un videojoc per un jugador, del tipus plataformes i acció en vista lateral 2D, basat en mapes de bits anomenats sprites. En aquesta memòria s’explica amb detall les característiques que es desitgen en el joc final, així com la metodologia emprada per implementar algunes d’aquestes característiques en el prototip. En la realització del prototip, s’ha utilitzat principalment Unity per implementar tots els elements que el conformen, excepte en la creació de nivells. Per realitzar aquesta tasca s’ha utilitzat el software Tiled per crear mapes basats en tiles, que són mapes de bits d’una mateixa grandària que es combinen en forma de graella per crear el mapa de bits que representa el nivell complert. Posteriorment, aquests nivells s’han importat a Unity mitjançant la utilitat Tiled2Unity.

With the emergence of GPU computing, deep neural networks have become a widely used technique for advancing research in the field of image and speech processing. In the context of object and event detection, slidingwindow classifiers require to choose the best among all positively discriminated candidate windows. In this paper, we introduce the first GPU-based non-maximum suppression (NMS) algorithm for embedded GPU architectures. The obtained results show that the proposed parallel algorithm reduces the NMS latency by a wide margin when compared to CPUs, even clocking the GPU at 50% of its maximum frequency on an NVIDIA Tegra K1. In this paper, we show results for object detection in images. The proposed technique is directly applicable to speech segmentation tasks such as speaker diarization., Peer Reviewed, Postprint (published version)

Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1979., MICROFICHE COPY AVAILABLE IN ARCHIVES AND ENGINEERING., Bibliography: leaf 79., by Edwin P. Berlin, Jr., B.S.

La present memòria descriu el desenvolupament d’un sistema de visualització de missatges en una pantalla digital, enviats de manera remota, amb l’objectiu d’informar a les visites d’un despatx de la disponibilitat i ubicació del professor. En la primera part del projecte es decideix la funcionalitat bàsica que ha d’assolir el sistema i el maquinari necessari per a aconseguir-ho. Durant el procés de disseny, es marquen com a objectius principals l’ús de components electrònics de baix cost, l’ús de la llengua catalana en els missatges, assegurant poder fer servir qualsevol de les grafies característiques d’aquesta llengua, i el poder consultar i modificar el missatge a mostrar amb independència de la ubicació de l’usuari. També es té en compte la facilitat del sistema de ser actualitzat amb noves opcions en futures revisions. A continuació, s’escullen els components del prototip en base als objectius a assolir i el programari que s’utilitzarà per a controlar i gestionar el sistema. Finalment, es desenvolupa un manual d’usuari del sistema i el pressupost del mateix, així com un anàlisi de l’impacte mediambiental. Amb aquestes condicions en ment, s’opta per a desenvolupar un servidor web en un microcontrolador Arduino amb connexió a xarxa que tingui connectada una pantalla de cristall líquid, una interfície per a interactuar amb el servidor des de qualsevol navegador web i una aplicació Android amb el mateix propòsit i més adaptat als dispositius mòbils.

Summary: Personalized advertising represents an emerging trend in online advertising. Using enhanced data collection techniques, marketers can craft seemingly made to order advertisements tailored to specific individuals. In turn, this should lead to advertisements that are more relevant for consumers and more effective for marketers. Therefore, personalized advertising has the potential to benefit both consumers and firms alike. However, consumer acceptance of the technique remains a huge hurdle, as many consumers seem uncomfortable with the practice due in part to privacy concerns over the vast amounts of data collected and analyzed when generating personalized advertisements. Therefore, it is critical to garner a better understanding of consumers’ attitudes towards personalized advertising in order to be able to use those insights to alleviate consumer privacy concerns. The purpose of this research is to work towards developing a more thorough understanding of consumers’ attitudes towards personalized advertising by exploring the antecedents and outcomes of those attitudes. In particular, we examine what factors determine whether personalized advertising is perceived favorably vs. invasively by consumers and what effects those perceptions have on consumers’ attitudes and intentions. The research lends contributions to academicians, marketing practitioners, and consumers by helping to achieve an increased understanding of personalized advertising’s impact on consumers’ perceptions. The empirical study employed in this research utilizes a conceptual framework that integrates privacy calculus theory with previous research on invasiveness, advertising acceptance, and innovation adoption. In addition, this research contributes to the marketing and information privacy literatures by making a theoretical connection between perceived invasiveness and its relationship with privacy concerns, as well as its impact on consumers’ attitudes and behavioral intentions. The resul, 2014, Includes bibliography., Degree granted: Dissertation (Ph.D.)--Florida Atlantic University, 2014., Collection: FAU Electronic Theses and Dissertations Collection

[CATALÀ] Aquest treball presenta una aplicació gràfica d'escriptori, que s'encarrega de dues tasques. Per una banda, permet representar sistemes de transicions en forma de graf. D'altra banda, permet simular una execució d'aquests sistemes, tant des de l'inici com des de qualsevol altre punt., [ANGLÈS] This paper presents a graphic desktop application, which is responsible for two tasks. On one hand, it allows to represent transition systems in the form of graphs. On the other hand, it allows to simulate the execution of these systems, from the starting point or from some other point.

This paper describes the integration of hybrid interfaces in the workflow using three-dimensional models, and presents the results of a preliminary study based on the profile and the student motivation. The study is conducted with first year Building Engineering degree students in order to use mobile technologies, augmented reality (AR) and digital sketching (DS) in different case studies. The resources developed combine traditional methods with interactive visualization of building and civil virtual models using mobile devices to show this type of content with the purpose of enhancing the student’s visualization and their spatial skills and motivation. We have used a mixed method research with quantitative evaluations, and personal qualitative assessment. The conclusions show us a positive student motivation to use this technology and the preliminary results show us an improvement of their academic results., Postprint (published version)

This paper proposes a method for the use the traditional animation technique, the flip book, to analog visualization of motions developed from digital media. Then, the study proposes a method of developing flip books from animations generated with the software Sketchup. With the development of examples the study shows the possibility of representation of motion on representations in paper, and that these motions can be generated from a digital three-dimensional model, Postprint (published version)

Display technology stands central to today’s society, with many routine tasks involving at least one type of display. As LCDs replaced CRT monitors, LED-based displays are on course to replace LCDs as the main display technology. LED technology offers advantages across the board: Aside from their inherently greater efficiency, LED technology also brings gains in lifetime, colour gamut, and relatively environmentally friendly manufacturing processes. While the technology still requires some development before it is to replace LCDs, widespread adoption in applications such as live displays and performances has already begun. This dissertation aims to investigate the foundations the development of LED displays through the development of a prototype implementation. A strong focus is placed on flexibility and accessibility of the design. The prototype system utilises a simple PC software based video controller, which processes and distributes raw image data to a network of microcontrollers via a USB connection. Each microcontroller module contains circuitry to drive a 16x16 array of SMD RGB LEDs, and is addressable over the integrated I²C bus. This thesis describes the work completed towards the development of this prototype and steps taken to maintain alignment with outlined objectives. Development is broken down into the PC software development, electronics development, and embedded software development of the prototype.

Digital displays have been extensively used at various indoor and outdoor venues to provide updated information such as advertisements to the audiences. With the pervasiveness of the smartphones nowadays, it is possible to utilize smartphones to design new interactive display systems for advertising purposes. Many such examples have been surveyed to reveal the trend and limitations of existing interactive display systems. With digital displays and interactive display systems becoming trendy, it is expected that there will be multiple displays ready for interaction at one venue with complicated setups. Supporting the interaction between multiples displays and smartphones requires a cyber-physical approach, which should be intuitive and accurate for the users, and none of the previously mentioned systems have considered this issue. A new framework of cyber-physical interaction between multiple displays and smartphones is proposed in this paper. This framework solves the problem in a divide-and-conquer manner with region approximation and venue division. Region approximation targets venues with simple and symmetrical layouts. By using azimuth angle measured by smartphone’s orientation sensor, it optimally assigns a range of azimuth angle to each display, such that a user can interact with an interested display by pointing at it with minimal overall interaction error. Venue division targets venues with complex layouts. By using a heuristic hierarchical clustering algorithm, it divides a complex venue layout into several regions that can be managed by the previous region approximation. In this thesis, the new framework of cyber-physical interaction between multiple displays and smartphones is described in detail with simulation results revealing its characteristics. The framework is implemented and experimented to prove its feasibility and practicality. Compared with existing interactive display systems, the new framework has the advantages of supporting intuitive and ac

Digital displays have been extensively used at various indoor and outdoor venues to provide updated information such as advertisements to the audiences. With the pervasiveness of the smartphones nowadays, it is possible to utilize smartphones to design new interactive display systems for advertising purposes. Many such examples have been surveyed to reveal the trend and limitations of existing interactive display systems. With digital displays and interactive display systems becoming trendy, it is expected that there will be multiple displays ready for interaction at one venue with complicated setups. Supporting the interaction between multiples displays and smartphones requires a cyber-physical approach, which should be intuitive and accurate for the users, and none of the previously mentioned systems have considered this issue. A new framework of cyber-physical interaction between multiple displays and smartphones is proposed in this paper. This framework solves the problem in a divide-and-conquer manner with region approximation and venue division. Region approximation targets venues with simple and symmetrical layouts. By using azimuth angle measured by smartphone’s orientation sensor, it optimally assigns a range of azimuth angle to each display, such that a user can interact with an interested display by pointing at it with minimal overall interaction error. Venue division targets venues with complex layouts. By using a heuristic hierarchical clustering algorithm, it divides a complex venue layout into several regions that can be managed by the previous region approximation. In this thesis, the new framework of cyber-physical interaction between multiple displays and smartphones is described in detail with simulation results revealing its characteristics. The framework is implemented and experimented to prove its feasibility and practicality. Compared with existing interactive display systems, the new framework has the advantages of supporting intuitive and ac

Treball desenvolupat a l'empresa Zest Gaming

Projecte realitzat en col·laboració amb l’empresa Tetralec Electrònica Industrial S.L., [ANGLÈS] This project tries to illustrate the design and production process for a large displays series for time and environmental parameter displaying. These displays are taking force in a growing market, pushed by the Real Decreto 1826/2009, applied in commercial environments and offices. Originally, the displays are part of industrial environments and are used to display variables controlled by PC or PLC in factories. This new field has required a redesign of the esthetic and the functionality to show time and environmental variables without external intervention need. The new devices have taken to develop a new system not based in communication with complex systems, but in the autonomous sensing. This project tries to create this new sensing and displaying system, from the design of the esthetic to the hardware and firmware design. There will be an analysis of the prototyping process, as well as the documentation and the step to the mass production., [CASTELLÀ] Este proyecto pretende ilustrar el proceso de diseño y fabricación de una serie de displays de gran formato para la visualización de la hora y parámetros ambientales Estos displays forman parte de un mercado emergente impulsado por el real decreto 1826/2009 donde el ámbito de aplicación son los ambientes comerciales y de oficina. Originalmente los displays forman parte del entorno industrial y se utilizan para mostrar variables y son controlados por PC o PLC en empresas. Este nuevo ámbito ha requerido un rediseño de la estética y la funcionalidad para mostrar variables temporales y ambientales sin necesidad de intervención externa a los displays. Los nuevos dispositivos han llevado a buscar un nuevo sistema que no se base en la comunicación con sistemas complejos, sino en el sensado de forma autónoma. Este proyecto pretende crear este nuevo sistema de sensado y visualizador de datos, desde el diseño de la estética al diseño de hardware y el firmware asociado. También se analizará el proceso de prototipado, documentación y el paso a la producción en serie, [CATALÀ] Aquest projecte pretén il·lustrar el procés de disseny i fabricació d'una sèrie de displays de gran format per a la visualització de l'hora i paràmetres ambientals. Els displays formen part d'un mercat emergent impulsat a mes pel decret llei 1826/2009 on l'àmbit d'aplicació son els ambients comercials i d'oficina. Originalment, els displays formen part de l'entorn industrial, son utilitzats per mostrar variables de producció i estancontrolats per PC o PLC en empreses. Aquest nou àmbit ha requerit un redisseny de l'estètica i la funcionalitat per mostrar variables temporals i ambientals, sense necessitat d'intervenció externa. Els nous dispositius ha portat a buscar un nou sistema que no es basi en la comunicació amb sistemes complexes, sinó en el sensat de forma autònoma. Aquest projecte pretén crear aquest nou sistema de sensat i visualització de dades; des del disseny de la estètica al disseny del hardware i firmware associat. També s'analitzarà el procés de prototipatge, documentació i pas a producció en sèrie.

A major goal of visualization is to appropriately express knowledge of scientific data. Generally, gathering visual information contained in the volume data often requires a lot of expertise from the final user to setup the parameters of the visualization. One way of alleviating this problem is to provide the position of inner structures with different viewpoint locations to enhance the perception and construction of the mental image. To this end, traditional illustrations use two or three different views of the regions of interest. Similarly, with the aim of assisting the users to easily place a good viewpoint location, this paper proposes an automatic and interactive method that locates different complementary viewpoints from a reference camera in volume datasets. Specifically, the proposed method combines the quantity of information each camera provides for each structure and the shape similarity of the projections of the remaining viewpoints based on Dynamic Time Warping. The selected complementary viewpoints allow a better understanding of the focused structure in several applications. Thus, the user interactively receives feedback based on several viewpoints that helps him to understand the visual information. A live-user evaluation on different data sets show a good convergence to useful complementary viewpoints., Postprint (published version)

Digital displays have been extensively used at various indoor and outdoor venues to provide updated information such as advertisements to the audiences. With the pervasiveness of the smartphones nowadays, it is possible to utilize smartphones to design new interactive display systems for advertising purposes. Many such examples have been surveyed to reveal the trend and limitations of existing interactive display systems. With digital displays and interactive display systems becoming trendy, it is expected that there will be multiple displays ready for interaction at one venue with complicated setups. Supporting the interaction between multiples displays and smartphones requires a cyber-physical approach, which should be intuitive and accurate for the users, and none of the previously mentioned systems have considered this issue. A new framework of cyber-physical interaction between multiple displays and smartphones is proposed in this paper. This framework solves the problem in a divide-and-conquer manner with region approximation and venue division. Region approximation targets venues with simple and symmetrical layouts. By using azimuth angle measured by smartphone’s orientation sensor, it optimally assigns a range of azimuth angle to each display, such that a user can interact with an interested display by pointing at it with minimal overall interaction error. Venue division targets venues with complex layouts. By using a heuristic hierarchical clustering algorithm, it divides a complex venue layout into several regions that can be managed by the previous region approximation. In this thesis, the new framework of cyber-physical interaction between multiple displays and smartphones is described in detail with simulation results revealing its characteristics. The framework is implemented and experimented to prove its feasibility and practicality. Compared with existing interactive display systems, the new framework has the advantages of supporting intuitive and ac

A popular solution to solve the problem of navigation in a complex scene, consists of subdividing the scene into convex regions (cells) forming what is commonly known as a Navigation Mesh (NavMesh). A Cell-and-Portal Graph (CPG) is then created where a node of the graph corresponds to a convex region of the NavMesh and a portal is an edge shared by two cells. Path-finding can then be solved using an algorithm such as A*. Although NavMeshes are widely used on complex applications such as videogames and virtual simulations, there are not many applications to automatically generate a NavMesh appropriate for path planning, so often either the user need to refine those semi-automatic NavMeshes, or create them by hand from scratch which is extremely time consuming and a source of errors. There is therefore a need for automatic methods to generate Cell-and-Portal Graphs for navigation, from any given 3D environment with minimum user input required. This thesis focuses on solving such a complex problem. The work presented in this master thesis gets as an input any 3D virtual environment represented by a polygon soup, and provides as an output the complete CPG. The main contribution of this thesis is a novel GPU based method to generate a NavMesh for a given 3D scene. Our method has two main steps: firstly it abstracts away the information of the 3D model that represents the scene (with its slopes, steps and other obstacles) to automatically convert it into a 2D representation based on several layers of a single simple polygon (floor) that can contain holes (obstacles). Secondly, it automatically generates a suboptimal convex decomposition of this 2D representation which represents the CPG. Our method is robust against degeneracies of the starting 3D model, such as interpenetrating geometry.

Real-time recursive parameter identification is applied to surface vessel modeling for maneuvering path prediction. An end-to end system is developed to simulate vessel motion, identify vessel parameters and estimate future path. Path prediction improves bridge team situational awareness by providing a real-time depiction of future motion over the ground on an electronic chart and display system (ECDIS). The extended least-squares (ELS) parameter identification approach allows the system to be installed on most platforms without prior knowledge of system dynamics, provided vessel states are available. The system continually tunes to actual environmental conditions, including vessel ballasting, current, wind and sensor biases. In addition to path prediction, the system estimates maximum vessel roll angle during maneuvering. Maximum roll prediction enhances carrier flight deck safety and increases operational effectiveness by reducing sea room requirements. Suitable performance is demonstrated in real-world maneuvering conditions to recommend that maneuvering path prediction be incorporated into the US Navy's AN/SSN-6 Navigation Sensor System Interface (NAVSSI) electronic charting system. Future research should emphasize an underway demonstration with real-time data acquisition., http://archive.org/details/recursiveparamet109456150, Commander, United States Navy, Approved for public release; distribution is unlimited.

The development of technology has always influenced the visualization experience. Both static and mobile devices are a general tendency to maximize the size and screen resolution in line with the intrinsic ability of technology to generate high-resolution images and create an immersive scene. Problems arises when the size or screen resolution is reduced or the amount of information to show increases. The architecture framework is a clear example where the visualization and evaluation of the information is more critical. In this paper we performed a user study' focused on evaluating the features of the digital images related with architectural framework viewed on mobile screen in order to improve the adaptation of different type of images to different type of users., Postprint (author's final draft)

Motivated by these problems, we explore the potential of projectors in interactive information visualization and processing in this thesis. In particular, we make three contributions. First, we propose a computer vision solution for direct 3D object exhibition and manipulation without the user wearing spectacles. In our approach, a new 3D display interface is designed by projecting images on a hand-held foam sphere which can be moved freely by the user. By tracking the motion of the sphere and projecting motion-dependent images onto the sphere, a virtual 3D perception can be created. Using this interface, the user will experience as if he is holding the real object in hands and be able to control the viewing angle freely., Second, we extend the projection on traditional rigid screen to projection on flexible surfaces. A new flexible display method is proposed, which can project information on a hand-held flexible surface (e.g. an ordinary white paper with a checker pattern at the back) that can be twisted freely. While the user twists the projection surface, the system recovers the deformation of the surface and projects well-tailored information onto the surface corresponding to the deformation. As a result, the viewer will see the information as if it was printed on the paper. Two applications, the flexible image projection and curvilinear data slicing are created to demonstrate the usefulness of the method. After the studies on fixed-position projection, we conduct an investigation on mobile projectors, which is becoming especially necessary with the rapid popularity of mobile projectors. We propose a hand-held movable projection method that can freely project keystone-free content onto a general flat surface without any markings or boundaries on the displaying screen. Compared with traditional static projection systems that keep the projector and screen in fixed positions, our projection scheme can give the user greater freedom of display control while producing undistorted images at the same time., The recent trend of human-computer interaction technologies has revealed the potential of the projector as an powerful interaction tool. More than a pure display tool, a projector has great strength that can change largely the way a traditional user interface works. Although some possibilities have been investigated in previous work, certain applications and approaches deserve further studies. For example, 1) Projection showing 3D information: viewing 3D models is usually achieved by projecting polarized light of different phases for left and right eyes, and the user is required to wear specially designed spectacles. The cost of building such a system is high. 2) Projection on flexible surface: most existing systems display information on flat rigid projection screens, extending it to non-planar flexible surfaces is an interesting and useful research direction; 3) Direct user-info interaction: existing systems using mouse and screen have limited freedom of control and low level of user experience. Direct manipulation of the display object by the hands of a user is more natural; 4) Mobile projector display: portable or embedded projectors are becoming more and more popular, but some fundamental problems, e.g. the keystone correction, are not fully studied., To verify the correctness of our methods, we built prototype systems using off-the-shelf devices and conducted extensive experiments, including both simulation and real experiments. The results show that the proposed methods are effective and good performance has been achieved. In particular, the real-time speed and low-cost requirement make it quite appealing in many application areas, such as education, digital games, medical applications etc. Capitalizing on the shrinking size, increasing portability, and decreasing cost of projectors, it is predictable that projector-based interactive processing will become more and more popular in the near future. We believe the research work in this thesis will provide a good foundation for further research and development on computer vision and projector-based applications., Li, Zhaorong., Adviser: Kin-Hong Wong., Source: Dissertation Abstracts International, Volume: 73-06, Section: B, page: ., Thesis (Ph.D.)--Chinese University of Hong Kong, 2011., Includes bibliographical references (leaves 133-142)., Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web., Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [201-] System requirements: Adobe Acrobat Reader. Available via World Wide Web., Electronic reproduction. Ann Arbor, MI : ProQuest Information and Learning Company, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web., also in Chinese., isbn: 9781267199362, Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

The visualization of cities in real time has a lot of potential applications, from urban and emergency planning, to driving simulators and entertainment. The massive amount of data and the computational requirements needed to render an entire city in detail are the reason why a lot of techniques have been proposed in this eld. Procedural city generation, building simpli cation and visibility processing are some of the approaches used to solve a small subset of the problems that these applications need to face. Our work proposes a new city rendering algorithm that is a radically di erent approach to what has been done before in this eld. The proposed technique is based on a structuration of the city data in a regular grid which is traversed, at runtime, by a ray tracing algorithm that keeps track of visible parts of the scene. As a preprocess, a set of quads de ning the buildings of a city is transformed to the regular grid used by our algorithm. The rendering algorithm uses this data to generate a real time representation of the city minimizing the overdraw, a common problem in other techniques. This is done by means of a geometry shader to generate only the minimum number of fragments needed to render the city from a given position.

Models abstractes de representació de llenguatges regulars. Especificació i disseny d'una aplicació per reproduir alguns models abstractes de representació de llenguatges regulars. Aquest projecte té dos grans objectius molt clars i diferenciats. Per una banda, i sobretot des del punt de vista de l’estudiant, l’objectiu és ampliar els coneixements introduïts a ALCC. El bon regust de boca deixat per l’assignatura, la curiositat i les ganes de seguir aprenent justifiquen aquest punt. Aquest és el motiu principal que mou l’estudiant a fer el seu PFC sobre aquesta temàtica. L’altre gran objectiu d’aquest projecte és la realització d’una aplicació que permeti operar i simular el funcionament d’algunes de les formes de representació dels llenguatges formals. Algunes d’aquestes representacions van ser introduïdes a l’assignatura d’ALCC, d’altres s’han aprés com a objectiu del projecte. Aquesta aplicació és pensada des del seu inici com una aplicació que pugui ser usada com a eina per qualsevol persona interessada en l’estudi de temes d’aquest àmbit

In this thesis the existing methods for realistic visualization of uids in real-time are reviewed. The correct handling of the interaction of light with a uid surface can highly increase the realism of the rendering, therefore method for physically accurate rendering of re ections and refractions will be used. The light- uid interaction does not stop at the surface, but continues inside the uid volume, causing caustics and beams of light. The simulation of uids require extremely time-consuming processes to achieve physical accuracy and will not be explored, although the main concepts will be given. Therefore, the main goals of this work are: Study and review the existing methods for rendering uids in realtime. Find a simpli ed physical model of light interaction, because a complete physically correct model would not achieve real-time. Develop an application that uses the found methods and the light interaction model.