Relevant bibliographies by topics / 3D Navigation / Dissertations / Theses
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Dissertations / Theses on the topic '3D Navigation'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 March 2025

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1

TRINDADE, DANIEL RIBEIRO. "3D NAVIGATION TECHNIQUES USING THE CUBE MAP." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=16322@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>A utilização de visualizadores 3D é algo cada vez mais comum em diversos ramos de atividades. O surgimento de novas tecnologias, com o resultante aumento do poder de processamento dos computadores atuais, tornou possível a criação de ambientes virtuais 3D maiores e mais ricos em detalhes. No entanto, a navegação em ambientes 3D, especialmente os ambientes multiescala, ainda é um problema para muitos usuários. O objetivo deste trabalho é propor soluções para alguns problemas de navegação 3D, a fim de melhorar a experiência de uso n
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Diakov, Georgi. "Automated patient tracking for 3D-navigation with ultrasound." München AVM, 2010. http://d-nb.info/1000247910/04.

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3

Satanek, Brandon L. "The Effects of Multidimensional Navigational Aids and Individual Differences on WWW Hypertext Navigation." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36690.

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The most common application of hypertext today is found on the World Wide Web, with the numbers of sites and potential users increasing continually. Hypertext systems are characterized by hyperlinks that allow users nonsequential access to the documents contained within them. Because users are not constrained to read through these documents in a linear manner, new problems may arise not found in traditional paper versions. These problems are generally characterized by a sense of being &quot;lost&quot; within a hypertext system. The user may not know exactly where they are or how to get w
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Mütze, Maria. "Anwendungsbeobachtung computergestützter 3D-Navigation bei transiliosakraler Verschraubung hinterer Beckenringfrakturen." Doctoral thesis, Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-204727.

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Ziel dieser Arbeit war die 3D-navigierte Transiliosakralverschraubung in einer experimentellen Studie an Plastik- und Spenderbecken sowie in einer prospektiven klinischen Studie mit einer retrospektiven Kontrollgruppe auf die Praktikabilität und proklamierten Vorteile zu überprüfen. Die Ergebnisse der experimentellen Testung unter Idealbedingungen konnten nicht vollständig in der klinischen Anwendung reproduziert werden. Die 3D-gestützte Navigation ermöglicht im Vergleich zur 2D-gestützten Navigation und der konventionellen Bildwandlertechnik nach Matta und Saucedo eine hohe Genauigkeit. Jedo
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Thyagaraj, Suraj. "Dynamic System Analysis of 3D Ultrasonic Neuro-Navigation System." Available to subscribers only, 2009. http://proquest.umi.com/pqdweb?did=1967797551&sid=3&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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6

Persson, Andreas. "3D Scan-based Navigation using Multi-Level Surface Maps." Thesis, Örebro University, School of Science and Technology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-11211.

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<p>The field of research connected to mobile robot navigation is much broader than the scope of this thesis. Hence in this report, the navigation topic is narrowed down to primarily concerning mapping and scan matching techniques that were used to achieve the overall task of navigation nature. Where the work presented within this report is based on an existing robot platform with technique for providing 3D point-clouds, as result of 3D scanning, and functionality for planning for and following a path. In this thesis it is presented how a scan matching algorithm is used for securing the alignme
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7

Gorges, Sébastien. "Vers un système de navigation 3D en neuroradiologie interventionnelle." Phd thesis, Université Henri Poincaré - Nancy I, 2007. http://tel.archives-ouvertes.fr/tel-00165960.

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En neuroradiologie interventionnelle, la machine d'angiographie RX est le moyen d'imagerie par excellence pour guider le médecin dans l'accomplissement de son<br />geste thérapeutique. Cette machine permet l'acquisition d'une image 3D montrant les artères du patient (ou 3DXA). Cependant, le contrôle visuel du déploiement des<br /> outils (guide, cathéter...) est effectué en 2D avec une image temps réel (ou fluoroscopie). Cette thèse a pour ambition de contribuer à l'amélioration des techniqu<br />es de guidage en proposant des outils permettant une utilisation de l?image 3D durant le traitemen
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Jaillot, Vincent. "3D, temporal and documented cities : formalization, visualization and navigation." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSE2026.

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L'étude et la compréhension de l'évolution des villes est un enjeu sociétal important, notamment pour améliorer la qualité de vie dans une ville toujours plus dense. Le numérique et en particulier les modèles 3D de villes peuvent être des éléments de réponse. Leur manipulation est parfois rendue complexe par la prise en compte de leurs dimensions thématique, géométrique et topologique ainsi que de leur structuration hiérarchique<br>The study and understanding of cities evolution is an important societal issue, particularly for improving the quality of life in an increasingly dense city. Digita
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Poppinga, Jann [Verfasser]. "Towards Autonomous Navigation for Robots with 3D Sensors / Jann Poppinga." Bremen : IRC-Library, Information Resource Center der Jacobs University Bremen, 2010. http://d-nb.info/1035033577/34.

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10

Cardoso, João Álvaro Couceiro. "3D manipulation and navigation methods with gestures for large displays." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/18575.

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Mestrado em Engenharia de Computadores e Telemática<br>O aumento da utilização de ecrãs públicos levou a necessidade de desenvolver novas formas de interação com este tipo de sistemas. A solução que foi considerada nesta dissertação recorreu a utilização de interfaces de utilizador baseadas em gestos, uma vez que não exigem que os utilizadores usem qualquer tipo de dispositivos para al em do seu próprio corpo. Esta dissertação continua o trabalho realizado anteriormente no âmbito do projecto DETI-Interact, que consiste num sistema interativo baseado num ecrã público instalado na entrada do Dep
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Habib, Yassine. "Monocular SLAM densification for 3D mapping and autonomous drone navigation." Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2024. http://www.theses.fr/2024IMTA0390.

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Les drones aériens sont essentiels dans les missions de recherche et de sauvetage car ils permettent une reconnaissance rapide de la zone de la mission, tel qu’un bâtiment effondré. La cartographie 3D dense et métrique en temps réel est cruciale pour capturer la structure de l’environnement et permettre une navigation autonome. L’approche privilégiée pour cette tâche consiste à utiliser du SLAM (Simultaneous Localization and Mapping) à partir d’une caméra monoculaire synchronisée avec une centrale inertielle (IMU). Les algorithmes à l’état de l’art maximisent l’efficacité en triangulant un nom
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Bourdeau, Aude. "Approches avancées de navigation par signaux GNSS en environnement urbain utilisant un modèle 3D." Thesis, Toulouse, ISAE, 2013. http://www.theses.fr/2013ESAE0040/document.

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L'utilisation de systèmes GNSS (Global Navigation Satellites System) en environnement urbain s'est fortement développée, notamment avec l'apparition des puces GNSS dans les téléphones portables. Cependant, l'environnement urbain génère des difficultés dans la réception des signaux GNSS qui peuvent engendrer des erreurs en position de plusieurs dizaines de mètres. Nous avons choisi d'apporter une solution à ces problématiques grâce à l'utilisation d'un modèle 3D de ville réaliste simulant la propagation des signaux GNSS. La première partie de notre étude se porte sur la problématique des signau
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13

Hsu, P. H. "3D information place : architecture for virtual place-making and information navigation." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.604679.

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Performing activities together in online information environments is not unusual. It is functionally possible for shared information environments to become ‘virtual places’ in which social activities take place. Such environments, however, are traditionally designed based on the concept of digital documents accessed remotely from the outside, rather than on the concept of places. This thesis argues that shared information environments can be designed to allow multi-user navigation to take place <i>inside</i> the space, and suggests they should be designed as places, supporting and reflecting s
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Reid, Zachary A. "Leveraging 3D Models for SAR-based Navigation in GPS-denied Environments." Wright State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright1540419210051179.

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15

Gonot, Antoine. "Conception et évaluation d'interfaces de navigation dans les environnements sonores 3D." Paris, CNAM, 2008. http://www.theses.fr/2008CNAM0616.

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Nous nous posons ici la question de l’ergonomie d’un dispositif audio 3D, donc de sa mise en œuvre et de son usage. Avant d’entrer dans les détails de la conception d’une interface Humain-Machine, nous avons voulu tester préalablement les capacités des indices de la localisation auditive à représenter l’espace lui-même. L’expérience a pris la forme d’un jeu de navigation en vue subjective dans une ville virtuelle simplifiée où le joueur devait s’orienter en mettant à profit les informations sonores qui lui étaient fournies. Nous avons pu décrire assez précisément différents comportements de lo
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Wang, Cishen. "Maintenance of a 3D Visualization System." Thesis, Växjö University, School of Mathematics and Systems Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-2320.

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<p>Vizz3D is a powerful 3D visualization system. The current version is neither perfect nor up-to-date. Furthermore, some important features are missing. In order to keep the tool valuable it needs to be maintained. I implemented a new feature allowing to save and load the view port in the graph to control the camera position. I also improved the CPU utilization and the navigation system to solve the limitations in Vizz3D and to improve the overall performance.</p>
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17

Hansson, Sofie, and Moa Johansson. "Augmented Reality som navigationshjälpmedel : Designprinciper utifrån ett användarperspektiv." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-85682.

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The purpose of this study was to gain insights of which design guidelines are vital for developing anavigation solution with Augmented Reality from a usability perspective. We wanted to raise awarenessof how the technology could be used to enable both indoor and outdoor navigation.Design Science Research (DSR) was applied as the research methodology, and created prerequisites toidentify problems connected to Luleå University of Technology’s existing map. The study applied the 7steps of the design thinking process, which made it possible to identify the problems. Through surveysand qualitative
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Ortega, Francisco Raul. "3D Navigation with Six Degrees-of-Freedom using a Multi-Touch Display." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1594.

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With the introduction of new input devices, such as multi-touch surface displays, the Nintendo WiiMote, the Microsoft Kinect, and the Leap Motion sensor, among others, the field of Human-Computer Interaction (HCI) finds itself at an important crossroads that requires solving new challenges. Given the amount of three-dimensional (3D) data available today, 3D navigation plays an important role in 3D User Interfaces (3DUI). This dissertation deals with multi-touch, 3D navigation, and how users can explore 3D virtual worlds using a multi-touch, non-stereo, desktop display. The contributions of thi
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Stallkamp, Jan. "Optisches 3D-Messverfahren für die Navigation in der roboterassistierten minimal-invasiven Chirurgie." Heimsheim Jost-Jetter, 2005. http://deposit.d-nb.de/cgi-bin/dokserv?idn=976190060.

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Anwar, Qaiser. "Optical Navigation by recognition of reference labels using 3D calibration of camera." Thesis, Mittuniversitetet, Institutionen för informationsteknologi och medier, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-18453.

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In this thesis a machine vision based indoor navigation system is presented. This is achieved by using rotationally independent optimized color reference labels and a geometrical camera calibration model which determines a set of camera parameters. All reference labels carry one byte of information (0 to 255), which can be designed for different values. An algorithm in Matlab has been developed so that a machine vision system for N number of symbols can recognize the symbols at different orientations. A camera calibration model describes the mapping between the 3-D world coordinates and the 2-
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Venable, Donald T. "Implementation of a 3D Imaging Sensor Aided Inertial Measurement Unit Navigation System." Ohio University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1218764810.

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22

Chenu, E. "Optimisation polyédrique de terrain 3D pour une navigation interactive en temps réel." Aix-Marseille 3, 1998. http://www.theses.fr/1998AIX30039.

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Le developpement de la realite virtuelle impose de concevoir un nombre sans cesse croissant de modele 3d pour la navigation en temps reel. Les difficultes de la triangulation de surface 3d m'ont amenees a creer la methode tredo. Cette methode est basee sur deux criteres de triangulation et trois criteres d'optimisation. Les criteres de triangulation decoulent du critere de triangulation de delaunay. Le but des trois criteres d'optimisation est de construire un maillage polyedrique d'une surface 3d qui puisse etre visualise le plus rapidement possible par un ordinateur. Ces criteres sont donc i
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Yiakoumettis, Christos. "Semantic navigation of large scale geo-referenced 3D scenes and virtual worlds." Limoges, 2012. https://aurore.unilim.fr/theses/nxfile/default/389358e4-be58-45f6-8896-1e8dc57d1b24/blobholder:0/2012LIMO4049.pdf.

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The current technological evolutions introduce 3D geo-informatics to their digital age, enabling new potential applications in the field of virtual tourism, recreation, entertainment and cultural heritage. Virtual 3D worlds and geo-referenced scenes are used even more in simulations of physical disasters or in evacuating and military scenarios. It is argued that 3D information provides the natural way of navigation. However, personalization is a key aspect in a navigation system, since a route that incorporates user preferences is ultimately more suitable than a route which simply provides the
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Muhammad, Naveed. "Contributions to the use of 3D lidars for autonomous navigation : calibration and qualitative localization." Thesis, Toulouse, INSA, 2012. http://www.theses.fr/2012ISAT0001/document.

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Afin de permettre une navigation autonome d'un robot dans un environnement, le robot doit être capable de percevoir son environnement. Dans la littérature, d'une manière générale, les robots perçoivent leur environnement en utilisant des capteurs de type sonars, cameras et lidar 2D. L'introduction de nouveaux capteurs, nommés lidar 3D, tels que le Velodyne HDL-64E S2, a permis aux robots d'acquérir plus rapidement des données 3D à partir de leur environnement. La première partie de cette thèse présente une technique pour la calibrage des capteurs lidar 3D. La technique est basée sur la compara
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Trellet, Mikael. "Exploration et analyse immersives de données moléculaires guidées par la tâche et la modélisation sémantique des contenus." Thesis, Université Paris-Saclay (ComUE), 2015. http://www.theses.fr/2015SACLS262/document.

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En biologie structurale, l’étude théorique de structures moléculaires comporte quatre activités principales organisées selon le processus séquentiel suivant : la collecte de données expérimentales/théoriques, la visualisation des structures 3d, la simulation moléculaire, l’analyse et l’interprétation des résultats. Cet enchaînement permet à l’expert d’élaborer de nouvelles hypothèses, de les vérifier de manière expérimentale et de produire de nouvelles données comme point de départ d’un nouveau processus.L’explosion de la quantité de données à manipuler au sein de cette boucle pose désormais d
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Markiel, JN M. "Navigation in GPS Challenged Environments Based Upon Ranging Imagery." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1343743930.

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Þorsteinsson, Jóhannes. "Real Time Procedural Wind Soundscape : The effect of procedural wind soundscape on navigation in virtual 3D space." Thesis, Högskolan i Skövde, Institutionen för informationsteknologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-11452.

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Sound design with the help of procedurally generated sound in video games has seen arise in the last few years given how that method gives us greated freedom in how soundreacts in realtime to the games, and the players. This research looks into if there is anydifference in how procedural sound, in this case procedurally generated wind, affectsthe navigation of players in a three dimensional world, as opposed to static samplebased sound design.
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Dill, Evan T. "Integration of 3D and 2D Imaging Data for Assured Navigation in Unknown Environments." Ohio University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1299616166.

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Olsson, Mathias, and Malin Waldebjer. "Användbarhet och begränsad navigation i en interaktiv 3D-miljö : Inredningsverktyg för MIOs möbler." Thesis, University of Kalmar, School of Communication and Design, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hik:diva-576.

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<p>Det har blivit allt mer populärt på senare tid med inredning av hemmet, och det finns idag stora möjligheter med virtuell 3D, vilket gör projektet relevant för tiden vi lever i. Projektet handlar om att skapa en första prototyp av en möblerbar 3D-miljö med tillhörande användarvänligt gränssnitt som ska kunna användas i Mios varuhus. Prototypen bygger på två demofilmer av applikationen där gränssnittet och användarens interaktionsmöjligheter har visualiserats i en vanlig skärm, och 3D-miljön i en 3D-skärm, dessa har sedan synkats med varandra för att ge ett helhetsintryck av applikationen. G
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Gardström, Karin. "3D Navigation for Real-Time MRI using Six Degree of Freedom Interaction Devices." Thesis, Linköping University, Department of Science and Technology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2280.

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<p>Real-time MRI scanning is used to visualize tissue and organs in motion. The real-time approach requires new interaction techniques to facilitate interaction with the scanning plane. The aim of this thesis is to investigate the use of input with six degrees of freedom – 6DOF. An overview over existing 6DOF input devices is given. Three devices are chosen for implementation and evaluation, Flock of Birds, SpaceBall and SpaceMouse. </p><p>A simulator application is developed to test the different input devices. The simulator purpose is to imitate the real-time scanning situation. To be able t
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Grompone, Alessio A. "Vision-based 3D motion estimation for on-orbit proximity satellite tracking and navigation." Thesis, Monterey, California: Naval Postgraduate School, 2015. http://hdl.handle.net/10945/45863.

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Approved for public release; distribution is unlimited<br>The main challenge addressed in this work is to develop and validate an algorithm able to track and estimate the relative position and motion of on-orbit, un-modeled targets by using only passive vision. The algorithm developed is based on well-known image processing techniques. To achieve this goal, a number of different approaches were analyzed and compared to assess their performance for a satisfactory design. The code also has a modular general structure in order to be more flexible to changes during the implementation until best pe
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Dill, Evan T. "GPS/Optical/Inertial Integration for 3D Navigation and Mapping Using Multi-copter Platforms." Ohio University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1427382541.

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Scheithauer, Amy T. "3D Relative Position and Orientation Estimation for Rendezvous and Docking Applications Using a 3D Imager." Ohio University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1265809623.

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34

Mütze, Maria [Verfasser], Christoph [Akademischer Betreuer] Josten, Jörg [Akademischer Betreuer] Böhme, Christoph-Eckhard [Gutachter] Heyde, and Gunther Olaf [Gutachter] Hofmann. "Anwendungsbeobachtung computergestützter 3D-Navigation bei transiliosakraler Verschraubung hinterer Beckenringfrakturen : Anwendungsbeobachtung computergestützter 3D-Navigation bei transiliosakraler Verschraubung hinterer Beckenringfrakturen / Maria Mütze ; Gutachter: Christoph-Eckhard Heyde, Gunther Olaf Hofmann ; Christoph Josten, Jörg Böhme." Leipzig : Universitätsbibliothek Leipzig, 2016. http://d-nb.info/1240482094/34.

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Williamson, Brian. "RealNav: Exploring Natural User Interfaces for Locomotion in Video Games." Master's thesis, University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4285.

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We present an exploration into realistic locomotion interfaces in video games using spatially convenient input hardware. In particular, we use Nintendo Wii Remotes to create natural mappings between user actions and their representation in a video game. Targeting American Football video games, we used the role of the quarterback as an exemplar since the game player needs to maneuver effectively in a small area, run down the field, and perform evasive gestures such as spinning, jumping, or the "juke". In our study, we developed three locomotion techniques. The first technique used a single Wii
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Wadstein, Erik. "Artistic Techniques to Influence Navigational Behavior in 3D-Games." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2401.

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Todays video games use diff erent aids to help players navigate and proceed in a 3D-environment. It is common that players are assigned an objective to complete and have to navigate from point A to point B, often with the help from navigational aids. This study contains an experiment where test-players had to navigate through a set of 3D-environments to complete an objective, without navigational aids. Instead the author used artistic techniques (geometry, lighting and texture) to see if they could aff ect test-players decisions in how to proceed. Results where compared to predictions in how t
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Baichbal, Shashidhar. "MAPPING ALGORITHM FOR AUTONOMOUS NAVIGATION OF LAWN MOWER USING SICK LASER." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1334587886.

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Stanton, Adam James. "Simultaneous incremental neuroevolution of motor control, navigation and object manipulation in 3D virtual creatures." Thesis, Keele University, 2017. http://eprints.keele.ac.uk/4238/.

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There have been numerous attempts to develop 3D virtual agents by applying evolutionary processes to populations that exist in a realistic physical simulation. Whilst often contributing useful knowledge, no previous work has demonstrated the capacity to evolve a sequence of increasingly complex behaviours in a single, unified system. This thesis has this demonstration as its primary aim. A rigorous exploration of one aspect of incremental artificial evolution was carried out to understand how subtask presentations affect the whole-task generalisation performance of evolved, fixed-morphology 3D
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Gatzidis, Christos. "Evaluating non-photorealistic rendering for 3D urban models in the context of mobile navigation." Thesis, City University London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.528481.

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40

Muhammad, Naveed. "Contributions à l'exploitation de lidar 3D pour la navigation autonome : calibrage et localisation qualitative." Phd thesis, INSA de Toulouse, 2012. http://tel.archives-ouvertes.fr/tel-00676797.

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Afin de permettre une navigation autonome d'un robot dans un environnement, le robot doit être capable de percevoir son environnement. Dans la littérature, d'une manière générale, les robots perçoivent leur environnement en utilisant des capteurs de type sonars, cameras et lidar 2D. L'introduction de nouveaux capteurs, nommés lidar 3D, tels que le Velodyne HDL-64E S2, a permis aux robots d'acquérir plus rapidement des données 3D à partir de leur environnement. La première partie de cette thèse présente une technique pour la calibrage des capteurs lidar 3D. La technique est basée sur la compara
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Porathe, Thomas. "3-D Nautical Charts and Safe Navigation." Doctoral thesis, Mälardalen University, Department of Innovation, Design and Product Development, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-136.

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<p>In spite of all electronic navigation devices on a modern ship bridge, navigators still lose their orientation. Reasons for this might be excessive cognitive workload caused by too many instruments to read and compile, navigation information that is displayed in a cognitively demanding way, short decision times due to high speed or fatigue due to minimum manning and long work hours.</p><p>This work addresses the problem of map information displayed in a less than optimal way. Three new concepts are presented: the bridge perspective, the NoGO area polygons and a dual lane seaway network. Map
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Chaurasia, Gaurav. "Algorithmes et analyses perceptuelles pour la navigation interactive basée image." Phd thesis, Université Nice Sophia Antipolis, 2014. http://tel.archives-ouvertes.fr/tel-00976621.

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Nous présentons une approche de rendu à base d'images (IBR) qui permet, à partir de photos, de naviguer librement et générer des points de vue quelconques dans des scènes urbaines. Les approches précédentes dépendent des modèles 3D et donnent lieu à des rendus de qualité réduite avec beaucoup d'artefacts. Dans cette thèse, nous proposons une approximation basée sur l'image pour compenser le manque de précision de la géométrie 3D. Nous utilisons un warp d'image guidé par des cartes de profondeur quasi-denses qui donnent lieu à beaucoup moins d'artefacts. En se basant sur cette approche, nous av
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Sadeghi, Gol Mohsen. "The Use of Potential Fields as a Navigation System for Autonomous Helicopters in 3D Games." Thesis, Linnéuniversitetet, Institutionen för datavetenskap (DV), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-45927.

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The use of artificial potential fields is beneficial in most two dimensional environments but they are bound by limitations. Introduction of the third dimension eradicates some of the limitations and brings about a set of new problems. If the emergent problems are solved then the new approach can give way to smarter helicopters and consequently a new game-play experience or possibly safer flight. This thesis aims to solve the emergent problems and proposes a new solution for guidance of autonomous helicopter agents in 3D games based on artificial potential fields. This new approach is compared
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Wang, Yi. "Design and Evaluation of Contextualized Video Interfaces." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/28798.

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pictures. Videos have been increasingly used in multiple applications, including surveillance, teleconferencing, learning and experience sharing. Since a video captures a scene from a particular viewpoint, it can often be understood better if presented within a larger spatial context. We call such interactive visualizations that combine videos with their spatial context â Contextualized Videosâ . Over recent years, multiple innovative Contextualized Video interfaces have been proposed to taking advantage of the latest computer graphics and video processing technologies. These interfaces open
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Abuhadrous, Iyad. "Système embarqué temps réel de localisation et de modélisation 3D par fusion multi-capteur." Phd thesis, École Nationale Supérieure des Mines de Paris, 2005. http://pastel.archives-ouvertes.fr/pastel-00001118.

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Cette étude va se focaliser sur trois aspects. Dans un premier temps, un effort sera porté sur l'aspect "localisation précise" du véhicule en mouvement. Pour cela, il est nécessaire de se pencher sur l'intégration et le traitement de l'information issue de systèmes hétérogènes de navigation: GPS et centrale inertielle (INS) auxquels sera rajoutée ensuite l'odométrie. La raison de cette intégration est d'exploiter les avantages de chacun des systèmes utilisés. L'intégration utilise un filtrage numérique pour procéder à une compensation des erreurs en position, vitesse, et en attitude issues de
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Joochim, Chanin [Verfasser]. "Autonomous navigation and mapping of mobile robots based on 2D/3D cameras combination / Chanin Joochim." Siegen : Universitätsbibliothek der Universität Siegen, 2011. http://d-nb.info/1017706239/34.

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Pan, Qing. "Techniques d'interactions mixtes isotonique et élastique pour la sélection 2D et la navigation / manipulation 3D." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10093/document.

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Le développement de interaction homme-machine aide les utilisateurs à travailler de manière plus efficace. Les technologies traditionnelles ne peuvent plus satisfaire les nouveaux besoins des applications variées. Enenvironnement 2D WIMP, les périphériques d'entrée isotonique combinés avec un contrôle en position tels que les souris ou touch-pad, souffrent de débrayages qui prennent du temps et rendent l'interaction moins lisse. C'est pire encore lors de l'utilisation d'un petit périphérique avec un grand écran. Les interactions 3D attirent l'attention de nombreux chercheurs. Toutefois, les te
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Runsten, Fredriksson Malin. "Player Exploration and Behaviors : The Influence of Player Navigation." Thesis, Uppsala universitet, Institutionen för speldesign, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-353041.

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Guiding a player through a 3D environment can be a difficult task, especially in a game with a choice of multiple paths. Because of this, designers are often forced to implement various navigational tools such as maps, user interface (UI) elements and written explanations to help the player get from one point to another. This study explores the possibility of using research of spatial design along with player exploration patterns to better influence how player navigates in game environments.Player background and player navigation pattern data were gathered through a survey taken by 97 particip
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Mehrtash, Alireza. "Needle Navigation for Image Guided Brachytherapy of Gynecologic Cancer." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-248042.

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In the past twenty years, the combination of the advances in medical imaging technologies and therapeutic methods had a great impact in developing minimally invasive interventional procedures. Although the use of medical imaging for the surgery and therapy guidance dates back to the early days of x-ray discovery, there is an increasing evidence in using the new imaging modalities such as computed tomography (CT), magnetic reso- nance imaging (MRI) and ultrasound in the operating rooms. The focus of this thesis is on developing image-guided interventional methods and techniques to support the r
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Ughini, Cleber Souza. "Criando roadmaps a partir de estados de configuração uniformemente distribuídos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/10782.

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A geração de bons movimentos em tempo real para corpos com muitos graus de liberdade ainda é um desafio. Uma quantidade elevada de graus de liberdade aumenta de forma exponencial a quantidade de posições diferentes que um determinado corpo pode obter. Fazer uso dessa quantidade de possibilidades para gerar movimentos complexos pode ser extremamente útil para planejamento de movimentos de robôs ou personagens virtuais, porém incrivelmente caro em termos computacionais. Existem muitos algoritmos que se baseiam no uso de mapas de caminhos (chamados roadmaps) para trabalhar com corpos com muitos g
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