Now showing items 195-214 of 307

    • Perceptually-motivated, Interactive Rendering and Editing of Global Illumination 

      Ritschel, Tobias (Universitaet des Saarlands, 22.12.2009)
      This thesis proposes several new perceptually-motivated techniques to synthesize, edit and enhance depiction of three-dimensional virtual scenes. Finding algorithmsthat fit the perceptually economic middle ground between ...
    • The Personal Interaction Panel - a two-handed Interface for Augmented Reality 

      Szalavári, Zsolt (Szalavári, Sep 1999)
      Die Art und Weise, wie wir mit dem ständig wachsendem Informationsraum, der uns umgibt umgehen wird sich in den nächsten Jahren dramatisch ändern. Die Forschung auf dem Gebiet der Augmented Reality bietet eine sanfte Methode ...
    • Photon Tracing for Complex Environments 

      Wilkie, Alexander (Wilkie, April 2001)
      Qualitativ hochwertige Bildsyntheseverfahren haben im Allgemeinen das Problem, daß sie bei Anwendung auf komplexe Szenen entweder zu lange Rechenzeiten ben¨otigen, oder daß ihr Speicherplatzbedarf zu groß wird bei manchen ...
    • Photorealistic and Hardware Accelerated Rendering of Complex Scenes 

      Hey, Heinrich (Hey, May 2002)
      Diese Arbeit präsentiert neue Methoden zur effizienten fotorealistischen und Hardware-beschleunigten Bildgenerierung von Szenen die komplexe globale Beleuchtung aufweisen, und zusätzlich auch groß sein können. Das beinhaltet ...
    • Physically based rendering of synthetic objects in real environments 

      Joel, Kronander (Linköping University Electronic Press, 2016-12-04)
      This thesis presents methods for photorealistic rendering of virtual objects so that they can be seamlessly composited into images of the real world. To generate predictable and consistent results, we study physically based ...
    • Physics-based Reconstruction and Animation of Humans 

      Ichim, Alexandru Eugen (Ecole Polytechnique Federale de Lausanne, 2017-09-22)
      Creating digital representations of humans is of utmost importance for applications ranging from entertainment (video games, movies) to human-computer interaction and even psychiatrical treat- ments. What makes building ...
    • Plenoptic Light Transport 

      Jarabo, Adrián (2015-11-27)
      In this thesis we focus on the multidimensional nature of light transport as described by the plenoptic function, and in particular in the angular and temporal domains. While traditional imaging has been limited to ...
    • Pointing Facilitation Techniques for 3D Object Selection in Virtual Environments 

      Argelaguet Sanz, Fernando (Argelaguet Sanz, 2011-07-04)
      Selection is one of the fundamental tasks in virtual reality applications and the initial task for most common user's interactions in a virtual environment. In this thesis we analyze major factors influencing selection ...
    • Position-based Skin Deformations for Interactive Character Animation 

      Abu Rumman, Nadine (2016-03-03)
      Skeletal animation is a widely used technique for animating articulated characters, such as humans and animals. In skeleton-based animation, skinning is the process of defining how the geometric surface of the character ...
    • Practical Real-Time Strategies for Photorealistic Skin Rendering and Antialiasing 

      Jimenez, Jorge (Jimenez, 2012-07-13)
      The first topic of this thesis, photorealistic skin rendering, is of extreme importance to create believable special effects in cinematography,but it has been ignored to an extent by the game industry. However, in the last ...
    • Precise Depth Image Based Real-Time 3D Difference Detection 

      Kahn, Svenja (Kahn, 2014-03-25)
      Then, this thesis answers Q2 by providing solutions for enhancing the 3D difference detection accuracy, both by precise pose estimation and by reducing depth measurement noise. A precise variant of the 3D difference detection ...
    • Printing Beyond Color: Spectral and Specular Reproduction 

      Samadzadegan, Sepideh (2015-11-30)
      For accurate printing (reproduction), two important appearance attributes to consider are color and gloss. These attributes are related to two topics focused on in this dissertation: spectral reproduction and specular ...
    • Priority Scheduling for Networked Virtual Environments 

      Faisstnauer, Christian (Faissnauer, June 2001)
      Ein Mangel an Resourcen ist ein Problem, das bei nahezu allen Virtual-Reality Applikationen ( Virtual Environments ) und Videospielen beobachtet werden kann. Die Netzwerk-Bandbreite, der Durchsatz der Graphik-Pipeline, ...
    • Privacy and Security Assessment of Biometric Template Protection 

      Zhou, Xuebing (Zhou, 2011-09-19)
      Biometrics enables convenient authentication based on a person s physical or behavioral characteristics. In comparisonwith knowledge- or token-based methods, it links an identity directly to its owner. Furthermore, it can ...
    • The Probabilistic Active Shape Model: From Model Construction to Flexible Medical Image Segmentation 

      Kirschner, Matthias (Kirschner, 2013-07-04)
      Automatic processing of three-dimensional image data acquired with computed tomography or magnetic resonance imaging plays an increasingly important role in medicine. For example, the automatic segmentation of anatomical ...
    • Process-Based Design of Multimedia Annotation Systems 

      Hofmann, Cristian Erick (Hofmann, 06.12.2010)
      Annotation of digital multimedia comprises a range of different application scenarios,supported media and annotation formats, and involved techniques. Accordingly, recentannotation environments provide numerous functions ...
    • Processing and tracking human motions using optical, inertial, and depth sensors 

      Helten, Thomas (Helten, Thomas, 2013-12-13)
      The processing of human motion data constitutes an important strand of research with many applications in computer animation, sport science and medicine. Currently, there exist various systems for recording human ...
    • Processing and Visualization of Peripheral CT-Angiography Datasets 

      Matus Straka (Straka, July, 2006)
      In dieser Arbeit werden die einzelnen Schritte der Bearbeitung von Datenssätzen, die mittels Computer TomographyAngiography (CTA) gewonnen wurden, vorgestellt. Periphäre CTA-Datensätze sind volumetrischeDa ...
    • Processing of Façade Imagery 

      Musialski, Przemyslaw (Musialski, 2010)
      Modeling and reconstruction of urban environments is currently the subject of intensive research. There is a wide range of possible applications, including virtual environments ...
    • Processing Semantically EnrichedContent for Interactive 3D Visualizations 

      Settgast, Volker (Settgast, 13-05-28)
      Interactive 3D graphics has become an essential tool in many fields of application: In manufacturingcompanies, e.g., new products are planned and tested digitally. The effect of newdesigns and testing of ergonomic aspects ...