Now showing items 21-40 of 371

    • Real Time Tone Mapping 

      Artusi, Alessandro: (Artusi, 2004)
      The dynamic range limitations of current image output devices such as monitors and printers; do not allow to visualize High Dynamic Range images correctly. Tone mapping helps to solve this problem; but real-time ...
    • Object Hierarchies for Efficient Rendering 

      Mueller, Gordon (Mueller, 2004)
      The efficient synthesis of computer generated images for large three-dimensional modelsis one of the major challenges of computer graphics research. Despite the rapid growth ofavailable computational power of todays ...
    • Curved Planar Reformation for Vessel Visualization 

      Kanitsar, Armin (Kanitsar, 2004)
      Die Einführung hoch auflösender Computer Tomographen erlaubt die Akquisition immer feinerer anatomische Details. Dadurch werden neue Untersuchungsmethoden ermöglicht. Die Erfassung von Gefäßstrukturen ...
    • Interactive 3D Flow Visualization Based on Textures and Geometric Primitives 

      Laramee, Robert S. (Laramee, 2004)
      This thesis presents research in the area of flow visualization. The theoretical framework is based on the notion that flow visualization methodology can be classified into four ...
    • New Acquisition Techniques for Real Objects and Light Sources in Computer Graphics 

      Goesele, Michael (Goesele, Michael, 2004-07-14)
      Accurate representations of objects and light sources in a scenemodel are a crucial prerequisite for realistic image synthesis usingcomputer graphics techniques. This thesis presents techniques forthe efficient acquisition ...
    • Importance-Driven Expressive Visualization 

      Viola, Ivan (Viola, 2005)
      In this thesis several expressive visualization techniques for volumetric data are presented. The key idea is to classify the underlying data according to its prominence on the resulting visualization by importance ...
    • From Image-based Motion Analysis to Free-Viewpoint Video 

      Theobalt, Christian (Theobalt, Christian, 2005)
      The problems of capturing real-world scenes with cameras and automatically analyzing the visible motion have traditionally been in the focus of computer vision research. The photo-realistic rendition of dynamic real-world ...
    • Accelerating the Rendering Process Using Impostors 

      Jeschke, Stefan (Jeschke, 2005)
      Die Darstellung dreidimensionaler geometrischer Modelle zur Erzeugung glaubw ürdiger Bilder ist in der Computergrafik ein Gebiet von großem Interesse. Eine besondere Herausforderung ist hierbei die Erstellung einer ...
    • Real-Time Mono- and Multi-Volume Rendering of Large Medical Datasets on Standard PC Hardware 

      Grimm, Soeren (Grimm, 2005)
      Direkte Volumenvisualisierung ist eine effizienteMethode um komplexe Strukturen volumetrischer Datens¨atze zu untersuchen. Der Hauptvorteil, verglichen zur normalen Oberfl¨achenvisualisierung, ist die M¨oglichkeit ...
    • Faces And Hands- Modeling and Animating Anatomical and Photorealistic Models with Regard to the Communicative Competence of Virtual Humans 

      Albrecht, Irene (2005)
      In order to be believable, virtual human characters must be able to communicate in a human-like fashion realistically. This dissertation contributes to improving and automating several aspects of virtual conversations. ...
    • Towards Real-Time Novel View Synthesis Using Visual Hulls 

      Li, Ming (2005)
      This thesis discusses fast novel view synthesis from multiple images taken from different viewpoints. We propose several new algorithms that take advantage of modern graphics hardware to create novel views. Although ...
    • New Techniques for the Modeling, Processing and Visualization of Surfaces and Volumes 

      Rössl, Christian (Rössl, Christian, 2005-07-20)
      With the advent of powerful 3D acquisition technology, there is agrowing demand for the modeling, processing, and visualization ofsurfaces and volumes. The proposed methods must be efficient androbust, and they must be ...
    • NURBS und Unterteilungsflächen: Adaptive Visualisierung von Unterteilungsflächen und ihre Erweiterung auf nicht-uniforme Flächen 

      Mueller, Kerstin (Mueller, 2006)
      ZurModellierung von Freiformflächen im CAD-Umfeld werden zur Zeit hauptsächlich nicht-uniformerationale B-Spline-Flächen (NURBS) und Unterteilungsflächen verwendet. NURBS-Flächen sind dieälteren sowie etablierteren Flächen ...
    • Medical Visualization for Orthopedic Applications 

      Mlejnek, Matej (Mlejnek, 2006)
      This dissertation discusses visualization techniques of articular cartilage forboth quantitative and qualitative assessment. Articular cartilage is a very thinstructure covering the endings of human bones. Thus, even slight ...
    • Computational Differential Geometry Tools for Surface Interrogation, Fairing, and Design 

      Yoshizawa, Shin (2006)
      This thesis presents a set of new mesh processing methods which are based on computational differential geometry techniques. The underlying idea of the methods consists of using proper discrete approximations of differential ...
    • Dynamic Remeshing and Applications 

      Vorsatz, Jens (Vorsatz, Jens, 2006-06-12)
      Triangle meshes are a flexible and generally accepted boundary representation for complex geometric shapes. In addition to their geometric qualities such as for instance smoothness, feature sensitivity ,or topological ...
    • High-Fidelity Imaging 

      Mantiuk, Rafal (Mantiuk, Rafal, 2006-12-14)
      As new displays and cameras offer enhanced color capabilities, thereis a need to extend the precision of digital content. High DynamicRange (HDR) imaging encodes images and video with higher than normalbit-depth precision, ...
    • New editing techniques for video post-processing 

      Scholz, Volker (Scholz, Volker, 2007-05-21)
      This thesis contributes to capturing 3D cloth shape, editing cloth texture and altering object shape and motion in multi-camera and monocular video recordings. We propose a technique to capture cloth shape from a 3D ...
    • Reconstruction and Rendering of Time-Varying Natural Phenomena 

      Ihrke, Ivo (Ihrke, 2007-05-21)
      While computer performance increases and computer generated images getever more realistic, the need for modeling computer graphics content is becoming stronger. To achieve photo-realism, detailed scenes have to be modeled, ...
    • Methods for transform, analysis and rendering of complete light representations 

      Ahrenberg, Lukas (Ahrenberg, Lukas, 2007-07-16)
      Recent advances in digital holography, optical engineering and computer graphics have opened up the possibility of full parallax, three dimensional displays. The premises of these rendering systems are however somewhat ...