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1

Christoforidis, Constantin. "Optimizing your data structure for real-time 3D rendering in the web : A comparison between object-oriented programming and data-oriented design." Thesis, Högskolan i Skövde, Institutionen för informationsteknologi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-20048.

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Performance is something that is always of concern when developing real-time 3D graphics applications. The way programs are made today with object-oriented programming has certain flaws that are rooted in the methodology itself. By exploring different programming paradigms we can eliminate some of these issues and find what is best for programming in different areas. Because real-time 3D applications need high performance the data-oriented design paradigm that makes the data the center of the application is experimented with. By using data-oriented design we can eliminate certain issues with o
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Rojas, Vanessa. "Real time wind simulation in a 3D game." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-176704.

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While many games incorporate physics to simulate different aspects of gameplay, this is uncommon when it comes to fluid flows like wind, due to the complexity of the associated equations. The challenge increases in 3-dimensional worlds with large world maps and a real-time simulation. It is however possible to simplify a simulation by prioritizing visual and gameplay effects rather than physical accuracy, while still using a physically-sound system as a base. What this means for each game will differ depending on the architecture of the game, the desired outcome and acceptable performance cost
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Cristino, Filipe. "Investigation into a real time 3D visual inspection system for industrial use." Thesis, Liverpool John Moores University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.402879.

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4

Mackey, Randall Lee. "NPSNET : hierarchical data structures for real-time three-dimensional visual simulation." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/28402.

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5

Brunner, Thalia. "Suspension of disbelief: Animating believable 3D nebula visual effects utilising real-time technology." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/213208/1/Thalia_Brunner_Thesis.pdf.

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This practice-based research aimed to investigate and identify the key aesthetic and technical considerations for the creation of believable, real-time 3D nebula VFX as an individual animation practitioner. Real-time technology was utilised as an advancement of traditional VFX practices, improving the quality of outcomes through more creative control, faster render times and less reliance on computing power. Three cycles of creative practice were undertaken, resulting in three, 3D visualisations of nebula.
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Forsberg, Sean Michael. "NETWORK CHANNEL VISUALIZING SIMULATOR: A REAL-TIME, 3D, INTERACTIVE NETWORK SIMULATION PLATFORM." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/784.

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With a focus of always being connected, it's become typical for laptops and mobile devices to include multiple wireless network devices. Though the additional network devices have created mobility and versatility of how a user is connected, it is common for only one to be active at any given time. While likely that new mesh protocols will help maximize connectivity and power consumption by utilizing lower-power multi-hop techniques, it is still difficult to visualize these protocols due to the complexity created by each node's simple choices. Further challenges are presented by the variety of
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Bain, Matthew N. "Real Time Music Visualization: A Study in the Visual Extension of Music." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1213207395.

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8

Sundaraj, Kenneth. "Real-time dynamic simulation and 3D interaction of biological tissue : application to medical simulators." Grenoble INPG, 2004. http://www.theses.fr/2004INPG0012.

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L'avènement de l'imagerie médicale et de nouvelles techniques opératoires a bouleversé les méthodes de travail des médecins. Mais ce changement nécessitera une formation renforcée des praticiens et chirurgiens. C'est pourquoi le dévelopment d'outils appropriés comme les simulateurs médico-chirurgicaux se fait de plus en plus ressentir. Dans ce cadre, nous nous sommes intéressés au problème de la modélisation des phénomènes de déformation de tissu biologique et à la détection des collisions dans un environment virtuel. Dans un premier temps, nous présentons les différents modèles physiques exis
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Srisamang, Richard, Richard Todd, Sudarshan Bhat, and Terry Moore. "UAV INTEGRATED VISUAL CONTROL AND SIMULATION SYSTEM ARCHITECTURE AND CAPABILITIES IN ACTION." International Foundation for Telemetering, 2000. http://hdl.handle.net/10150/606815.

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International Telemetering Conference Proceedings / October 23-26, 2000 / Town & Country Hotel and Conference Center, San Diego, California<br>Unmanned Aerial Vehicles (UAV) are becoming a significant asset to the military. This has given rise to the development of the Vehicle Control and Simulation System (VCSS), a low-cost ground support and control system deployable to any UAV testing site, with the capability to support ground crew and pilot training, real-time telemetry simulation, distribution, transmission and reception, mission planning, and Global Positioning System (GPS) receptio
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Merrell, Thomas Yates. "Escape Simulation Suite." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/31754.

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Ever since we were children the phrase â In case of an emergency, walk, DONâ T run, to the nearest exitâ has been drilled into our heads. How to evacuate a large number of people from a given area as quickly and safely as possible has been a question of great importance since the first congregation of man; a question that has yet to be optimally answered. There have been many attempts at finding an answer and many more yet to be made. In light of recent world events, 9/11 for instance, the need for a better answer is apparent. While finding a solution to this problem is the end objecti
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Martínez, Ana Laura, and Natali Arvidsson. "Balance Between Performance and Visual Quality in 3D Game Assets : Appropriateness of Assets for Games and Real-Time Rendering." Thesis, Uppsala universitet, Institutionen för speldesign, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-413871.

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This thesis explores the balance between visual quality and the performance of a 3D object for computer games. Additionally, it aims to help new 3D artists to create assets that are both visually adequate and optimized for real-time rendering. It further investigates the differences in the judgement of the visual quality of thosethat know computer graphics, and thosenot familiar with it. Many explanations of 3D art optimization are often highly technical and challenging for graphic artists to grasp. Additionally, they regularly neglect the effects of optimization to the visual quality of the a
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KUNDA, SAKETH RAM. "Methods to Reuse CAD Data in Tessellated Models for Efficient Visual Configurations : An Investigation for Tacton Systems AB." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-281748.

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Data loss has always been a side effect of sharing 3D models between different CAD systems. Continuous research and new frameworks have been implemented to minimise the data loss in CAD and in other downstream applications separately like 3D visual graphics applications (eg. 3DS Max, Blender etc.). As a first step into this research area, the thesis is an explorative study on understanding the problem of CAD data loss while exchanging models between a CAD application and a visual application. The thesis is performed at Tacton systems which provides product configurations to their customers in
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Berranen, Mohamed Yacine. "Simulation 3D éléments-finis du muscle squelettique en temps-réel basée sur une approche multi-modèles." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS043/document.

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Les résultats des chirurgies orthopédiques correctrices sont difficilement prévisibles et, malheureusement, parfois infructueux. D’autres maladies résultantes d’un handicap majeur tel que l’escarre sont encore très peu comprises. Malgré une prévalence dans la population conséquente, peu d’études ont été menées sur ces thèmes. L’étude volumétrique du muscle en tant que tissu mou actif manque d’informations détaillées. Particulièrement les déformations et raideurs subséquentes aux contractions de muscles à arrangement de fascicules complexes. La modélisation volumétrique des muscles, fournirait
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Eriksson, Emil. "Simulation of Biological Tissue using Mass-Spring-Damper Models." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-27663.

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The goal of this project was to evaluate the viability of a mass-spring-damper based model for modeling of biological tissue. A method for automatically generating such a model from data taken from 3D medical imaging equipment including both the generation of point masses and an algorithm for generating the spring-damper links between these points is presented. Furthermore, an implementation of a simulation of this model running in real-time by utilizing the parallel computational power of modern GPU hardware through OpenCL is described. This implementation uses the fourth order Runge-Kutta me
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Zaragoci, Jean-François. "Simulation numérique directe multiphasique de la déformation d’un alliage Al-Cu à l’état pâteux – Comparaison avec des observations par tomographie aux rayons X in situ en temps réel." Thesis, Paris, ENMP, 2012. http://www.theses.fr/2012ENMP0088/document.

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La fissuration à chaud est un défaut majeur rencontré en solidification des alliages d'aluminium. Elle est liée à l'incapacité du liquide de s'écouler dans les zones où des porosités sont présentes, ne permettant pas de les refermer avant qu'elles gagnent en volume. Pour comprendre la fissuration à chaud, il est crucial de développer nos connaissances du comportement mécanique de la zone pâteuse. Pour cela, il est très utile d'effectuer des expériences de microtomographie aux rayons X et des simulations mécaniques sur des volumes élémentaires représentatifs. Dans cette thèse, nous proposons de
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Batmaz, Anil Ufuk. "Speed, precision and grip force analysis of human manual operations with and without direct visual input." Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAJ056/document.

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Le système perceptif d’un chirurgien doit s’adapter aux contraintes multisensorielles liées à la chirurgie guidée par l’image. Trois expériences sont conçues pour explorer ces contraintes visuelles et haptiques pour l’apprentissage guidé par l’image. Les résultats montrent que les sujets sont plus rapides et plus précis avec une vision directe. La stéréoscopie 3D n’améliore pas les performances des débutants complets. En réalité virtuelle, la variation de la longueur, largeur, position et complexité de l'objet affecte les performances motrices. La force de préhension appliquée sur un système r
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Albin-Clark, Adrian. "Simulating characters for observation : bridging theory and practice." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/simulating-characters-for-observation-bridging-theory-and-practice(eb68b4be-2122-4512-b7ba-ae86262f1b18).html.

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Observations of young children are conducted in an educational setting by practitioners to plan and assess activities based on the individual development and needs of the child. Challenges include: recording, how to be an observer rather than a participant, and connecting developmental theory to observable behaviour.Several projects have simulated children in their learning environments, aimed mainly at pre-service teachers, but these have neither been for young children where the activity is play-based nor where the adult is supportive of the child's interests. Some simulations have used 3D g
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Hudon, Matis. "Active illumination for high speed image acquisition and recovery of shape and albedo." Thesis, Rennes 1, 2016. http://www.theses.fr/2016REN1S070/document.

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L'objectif de cette thèse est de tirer parti d'une illumination totalement ou partiellement contrôlée pour enrichir l'acquisition vidéo de contenus tel que la reconstruction de la forme et de l'apparence. Aujourd'hui de nombreux travaux ont tenté d'atteindre cet objectif. Certains utilisent une illumination contrôlée et séquentielle pour obtenir des reconstructions de haute qualité de la forme et de la réflectance. En revanche, ces méthodes requièrent des dispositifs coûteuses et/ou ne fonctionnent pas en temps réel. Dans cette thèse, nous visions un système d'acquisition à bas coût, rapide et
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Dvořáček, Štěpán. "Robot s autonomním audio-vizuálním řízením." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-401991.

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This thesis describes the design and realization of a mobile robot with autonomous audio-visual control. This robot is able of movement based on sensors consisting of camera and microphone. The mechanical part consists of components made with 3D print technology and omnidirectional Mecanum wheels. Software utilizes OpenCV library for image processing and computes MFCC a DTW for voice command detection.
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Grasreiner, Sebastian. "Combustion modeling for virtual SI engine calibration with the help of 0D/3D methods." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2012. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-90518.

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Spark ignited engines are still important for conventional as well as for hybrid power trains and are thus objective to optimization. Today a lot of functionalities arise from software solutions, which have to be calibrated. Modern engine technologies provide an extensive variability considering their valve train, fuel injection and load control. Thus, calibration efforts are really high and shall be reduced by introduction of virtual methods. In this work a physical 0D combustion model is set up, which can cope with a new generation of spark ignition engines. Therefore, at first cylinder ther
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Ramadasan, Datta. "SLAM temporel à contraintes multiples." Thesis, Clermont-Ferrand 2, 2015. http://www.theses.fr/2015CLF22653/document.

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Ce mémoire décrit mes travaux de thèse de doctorat menés au sein de l’équipe ComSee (Computers that See) rattachée à l’axe ISPR (Image, Systèmes de Perception et Robotique) de l’Institut Pascal. Celle-ci a été financée par la Région Auvergne et le Fonds Européen de Développement Régional. Les travaux présentés s’inscrivent dans le cadre d’applications de localisation pour la robotique mobile et la Réalité Augmentée. Le framework réalisé au cours de cette thèse est une approche générique pour l’implémentation d’applications de SLAM : Simultaneous Localization And Mapping (algorithme de localisa
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Ballit, Abbass. "Design and manufacturing process optimization for prosthesis of the lower limb." Thesis, Compiègne, 2020. http://www.theses.fr/2020COMP2589.

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Le socket prothétique (dit aussi emboiture prothétique), élément d'interface essentiel entre le moignon du patient et le dispositif prothétique, est le plus souvent le lieu où se définit le degré de réussite prothétique. C'est la partie la plus critique de la prothèse, personnalisée pour s'adapter au membre résiduel unique de l'amputé. Sans une forme et un ajustement approprié du socket, la prothèse devient inconfortable, voire inutilisable, et provoque des douleurs et des problèmes de peau. La production prothétique actuelle manque encore de normes numériques universelles pour concevoir un so
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Chang, Yu-Chuan, and 張育銓. "3D Real-Time Simulation of Basic Billiard Techniques." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/w6vsu8.

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碩士<br>中原大學<br>應用數學研究所<br>102<br>There are several techniques for billiard game according to the respective trajectories of balls caused by different hitting and forces. In this article, in terms of the latest models of physics, we analyze the variations in the pool and explain every kinds of billiard techniques. In practice, we show the trajectories of billiard balls in the real time by a simulation using the Microsoft Direct 3D programming.
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Chen, Chun-Han, and 陳俊翰. "3D Real-Time Simulation of Basic Baseball Techniques." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/98855999862866320498.

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碩士<br>中原大學<br>應用數學研究所<br>102<br>An improved model unified for the pitch, batting, and post-impact flight phases of a baseball is established. We adapted a manner of modulation in term of 3D simulation to find bat some swing parameters that produce maximum range. The improved batted flight model incorporates experimental lift and drag profiles including the drag crisis! The improved bat-ball impact model includes the dependence of the coefficient of restitution on the approach relative velocity controlled by simulation.
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Chen, Xiao. "Real-time Physics Based Simulation for 3D Computer Graphics." 2013. http://scholarworks.gsu.edu/cs_diss/79.

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Restoration of realistic animation is a critical part in the area of computer graphics. The goal of this sort of simulation is to imitate the behavior of the transformation in real life to the greatest extent. Physics-based simulation provides a solid background and proficient theories that can be applied in the simulation. In this dissertation, I will present real-time simulations which are physics-based in the area of terrain deformation and ship oscillations. When ground vehicles navigate on soft terrains such as sand, snow and mud, they often leave distinctive tracks. The realistic simulat
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Tsai, Yao-Yang, and 蔡曜陽. "Real-time Physics-based 3D Biped Character Simulation and Animation." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/14536413741639943955.

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碩士<br>國立成功大學<br>資訊工程學系碩博士班<br>96<br>This paper present a physics-based approach to generate 3D biped character animation that can react to dynamical environments in real-time. Our approach utilizes an inverted pendulum model to on-line adjust the desired motion trajectory from the input motion capture data. This on-line adjustment produces physically-plausible motion trajectory adapted to dynamic environments, which is then used as the desired motion for the motion controllers to follow in dynamics simulation. Rather than using the Proportional-Derivative controllers whose parameters usually
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WANG, CHU-YI, and 王竹毅. "Skiing Vehicle Simulation System of Real-time 3D Physical and Motion." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/2ar6x8.

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碩士<br>國立高雄科技大學<br>電機工程系<br>107<br>In this study, various terrain information such as altitude and ground image are established by “Unity 3D Terrain” and “Unity 3D visual effect engine” are used to present gorgeous real visual effect performance. Moreover, the embedded PhysX physical simulation engine technology can better reconstruct the original Terrain features. In this paper, the bending mechanism is used to obtain the ski Angle with the snow surface. The pressure sensor is used to obtain the user's pressure at various points during skiing and the user's weight to simulate the physical quan
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Palmer, Ian J., Chen Wang, and Tao Ruan Wan. "A Real-time Dynamic Simulation Scheme for Large-Scale Flood Hazard Using 3D Real World Data." 2007. http://hdl.handle.net/10454/2891.

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No<br>We propose a new dynamic simulation scheme for large-scale flood hazard modelling and prevention. The approach consists of a number of core parts: Digital terrain modelling with GIS data, Nona-tree space partitions (NTSP), Automatic River object recognition and registration, and a flood spreading model. The digital terrain modelling method allows the creation of a geometric real terrain model for augmented 3D environments with very large GIS data, and it can also use information gathered from aviation and satellite images with a ROAM algorithm. A spatial image segmentation scheme is desc
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Chen, Shih-Ying, and 陳思穎. "Study of Human Visual Adaptation Based on Shader Technology in Real-Time 3D Rendering." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/73351392900275735879.

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碩士<br>國立臺北教育大學<br>玩具與遊戲設計研究所<br>94<br>Due to the fast development of hardware and graphic technologies, the transforming, lighting, and texturing in fix rendering pipeline can be replaced with programming shader used in some rendering graphic technologies and plentiful graphic effects in real-time 3D environment also can be achieved. In this study, a method which simulating the human visual system for lighting adaptation with the pupil of the eyes has been proposed. This study integrates the related graphic techniques, such as High Dynamic Range Image (HDRI)、tone reproduction and the human vis
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Zheng, Zonghui. "CORBA based distribution real-time simulation of a claming machine with 3D visualization." 2002. http://hdl.handle.net/1993/19774.

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Wang, Shinn-Chih, and 王信智. "Design of A Real-time Interactive Visual Simulation on A Distributed Computing Environment." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/89567546762591766255.

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碩士<br>淡江大學<br>資訊工程學系<br>84<br>In order to make users feel immersive in an interactive visual simulation system, both of the visual render and user input must be completed in real-time. As the complexity of the virtual scene increase and the realism of the virtual environment is requested by the user, the demand of high performance computing for virtual environment is become very important. Such as supercomputers or special purpose computers are often used. But these computers are expens
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Yang, Tzong-Jer, and 楊宗哲. "On Real-Time 3D Head Motion Tracking and Its Applications in Model-Based Visual Communication." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/02793968252520708780.

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博士<br>國立臺灣大學<br>資訊工程學研究所<br>87<br>This dissertation addresses the problem of real-time 3D head motion tracking with a single camera. Through the analysis on a sequence of continuous facial images captured from a single video camera, the subject''s head motion in 3D space can be estimated. Two issues are discussed: feature tracking and 3D motion estimation. The purpose of feature tracking is to provide enough feature correspondence between two consecutive images, and the purpose of 3D motion estimation is to infer 3D motion from these feature correspondence. To tackle the motion-trac
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Liann, Shaw-An, and 練紹安. "Development of Distributed Visual Simulation Pilot Training System and its Real-Time Dynamic Model." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/78828945298242432233.

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碩士<br>國立交通大學<br>電機與控制工程系<br>88<br>The aim of this thesis is to implement a distributed visual simulation pilot training system with real-time dynamic model for aircraft and tank. we will construct virtual-reality scene(VR scene) for aircraft and tank, and develop real-time tank dynamic model. Then we integrate the VR scene, real-time dynamic module, stewart platform, and force-feedback joystick into a integrated pilot training system by distributed softeware framework and network communication. Following, we will describe VR Scene, real-time dynamic, and system integration separately.
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KANG, CHIEH-HAO, and 康介豪. "Based on Online Map for Real-time 3D Terrains and Buildings Rendering with Flight Vehicle Simulation System." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/49614190722979202627.

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碩士<br>國立高雄第一科技大學<br>電機工程研究所碩士在職專班<br>105<br>Nowadays the terrain of Google Earth just only specially efficacy with texture maps but do not have any 3D physical model and the embedded objects (buildings landmarks and so on) and also do not have any physical collision. Hence in our research based on the Unity 3D Plug-In terrain information such as elevation above sea level longitude altitude and texture maps with terrain in any location of the World. Then the PhysX physical engine and OpenGL were employed for rebuilding terrain with physical collision. Otherwise after rebuilding the terrain embe
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Kirana, Kumara P. "Studies On The Viability Of The Boundary Element Method For The Real-Time Simulation Of Biological Organs." Thesis, 2016. https://etd.iisc.ac.in/handle/2005/2553.

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Realistic and real-time computational simulation of biological organs (e.g., human kidneys, human liver) is a necessity when one tries to build a quality surgical simulator that can simulate surgical procedures involving these organs. Currently deformable models, spring-mass models, or finite element models are widely used to achieve the realistic simulations and/or the real-time performance. It is widely agreed that continuum mechanics based numerical techniques are preferred over deformable models or spring-mass models, but those techniques are computationally expensive and hence the higher
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Kirana, Kumara P. "Studies On The Viability Of The Boundary Element Method For The Real-Time Simulation Of Biological Organs." Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2553.

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Realistic and real-time computational simulation of biological organs (e.g., human kidneys, human liver) is a necessity when one tries to build a quality surgical simulator that can simulate surgical procedures involving these organs. Currently deformable models, spring-mass models, or finite element models are widely used to achieve the realistic simulations and/or the real-time performance. It is widely agreed that continuum mechanics based numerical techniques are preferred over deformable models or spring-mass models, but those techniques are computationally expensive and hence the higher
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Crespo, Christian Andrés Bustamante. "Development a virtual reality mode simulation in order to control a drone using a wearable device in a 3d environment." Master's thesis, 2017. http://hdl.handle.net/10400.8/3242.

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The world population is aging, The quality life in elder people deteriorates with age, this is because of the sedentary lifestyle in which they live, consequently these countries must adapt much more rapidly to this aging. Therapy and Physical activity helps to improve health and well-being in the elders, bringing longevity and improves their life quality. The Technology has been used as a tool in various fields and there are some applications that have been developed to encourage sports through entertainment. Nintendo Wii and Kinect games had a positive impact on the overall well-being
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