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Browsing EG2008 by Title
Now showing items 52-71 of 117
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Identification of Dynamic Mass Spring Parameters for Deformable Body Simulation
(The Eurographics Association, 2008)Mass spring systems (MSS) are frequently used to simulate deformable objects because of their conceptual sim- plicity and computational speed. Unfortunately, the model parameters (spring coefficients, masses) are not related ... -
Image-based Aging Using Evolutionary Computing
(The Eurographics Association and Blackwell Publishing Ltd, 2008)Aging has considerable visual effects on the human face and is difficult to simulate using a universally-applicable global model. In this paper, we focus on the hypothesis that the patterns of age progression (and regression) ... -
Image-Based Empirical Information Acquisition, Scientific Reliability, and Long-Term Digital Preservation for the Natural Sciences and Cultural Heritage
(The Eurographics Association, 2008)The tools and standards of best practice adopted by natural science and cultural heritage (CH) professionals will determine the digital future of natural science and CH digital imaging work. This tutorial discusses emerging ... -
Image-based Material Weathering
(The Eurographics Association and Blackwell Publishing Ltd, 2008)The appearance manifold [WTL*06] is an efficient approach for modeling and editing time-variant appearance of materials from the BRDF data captured at single time instance. However, this method is difficult to apply in ... -
Image-based Shaving
(The Eurographics Association and Blackwell Publishing Ltd, 2008)Many categories of objects, such as human faces, can be naturally viewed as a composition of several different layers. For example, a bearded face with glasses can be decomposed into three layers: a layer for glasses, a ... -
Improving Interaction Performance for Ray Tracing
(The Eurographics Association, 2008)We have developed an approach for improving the performance of object manipulation in ray tracing systems. We assume that users alternate between navigating the scene and manipulating objects in the scene. We divide the ... -
Interactive Introduction to X3D Graphics
(The Eurographics Association, 2008)Extensible 3D (X3D) graphics is a collection of open-standards that define a system that integrates network-enabled 3D graphics and multimedia. X3D applications are real-time, interactive, animated systems that can run ... -
Interactive Stroke-Based NPR using Hand Postures on Large Displays
(The Eurographics Association, 2008)We explore the use of hand postures to interact with stroke-based rendering (SBR) on touch-sensitive large displays. In contrast to traditional WIMP interfaces, we allow people to directly engage with and influence a ... -
Interactive Tools for Scientific and Medical Illustration Composition
(The Eurographics Association, 2008)The area of illustrative visualization is concerned with developing methods to enhance the depiction of scientific data based on principles founded in traditional illustration. The illustration community has century-long ... -
Interactive Volume Rendering with Dynamic Ambient Occlusion and Color Bleeding
(The Eurographics Association and Blackwell Publishing Ltd, 2008)We propose a method for rendering volumetric data sets at interactive frame rates while supporting dynamic ambient occlusion as well as an approximation to color bleeding. In contrast to ambient occlusion approaches for ... -
Knitty: 3D Modeling of Knitted Animals with a Production Assistant Interface
(The Eurographics Association, 2008)Knitty is an interactive design system for creating knitted animals. The user designs a 3D surface model using a sketching interface. The system automatically generates a knitting pattern and then visualizes the shape of ... -
Laziness is a Virtue: Motion Stitching Using Effort Minimization
(The Eurographics Association, 2008)Given two motion-capture sequences that are to be stitched together, how can we assess the goodness of the stitching? The straightforward solution, Euclidean distance, permits counter-intuitive results because it ignores ... -
Level of Detail Flow Simulation
(The Eurographics Association, 2008)In this paper we present a framework to simulate visually plausible large scale flow of fluids or smoke. To maintain real-time speed, we define the simulation over a coarse grid which is refined with a more detailed grid ... -
Lighting and Occlusion in a Wave-Based Framework
(The Eurographics Association and Blackwell Publishing Ltd, 2008)We present novel methods to enhance Computer Generated Holography (CGH) by introducing a complex-valued wave-based occlusion handling method. This offers a very intuitive and efficient interface to introduce optical elements ... -
Manifold-valued Thin-Plate Splines with Applications in Computer Graphics
(The Eurographics Association and Blackwell Publishing Ltd, 2008)We present a generalization of thin-plate splines for interpolation and approximation of manifold-valued data, and demonstrate its usefulness in computer graphics with several applications from different fields. The ... -
Measuring and Enhancing the Legibility of GPU-rendered Text
(The Eurographics Association, 2008)Whereas the rendering of tiny typefaces in 2D applications has been perfected over decades, the legibility of text in 3D visualizations has rarely been addressed. This affects road signs, meters, screens, and books in ... -
Microquad Soft Shadow Mapping Revisited
(The Eurographics Association, 2008)Recently, real-time soft shadow research saw many important contributions from the class of soft shadow mapping algorithms, where approximate occluder geometry is reconstructed from a shadow map and backprojected onto the ... -
Mining Motifs from Human Motion
(The Eurographics Association, 2008)Mining frequently occurring temporal motion patterns (motion motifs) is important for understanding, organizing and retrieving motion data. However, without any a priori knowledge of the motifs, such as their lengths, ... -
Mobile 3D Graphics
(The Eurographics Association, 2008)Mobile phone handsets are fast becoming personal computing platforms and offer exciting new opportunities for graphics applications. They present the largest ever market opportunity for the graphics industry. Handset ... -
Modeling a Generic Tone-mapping Operator
(The Eurographics Association and Blackwell Publishing Ltd, 2008)Although several new tone-mapping operators are proposed each year, there is no reliable method to validate their performance or to tell how different they are from one another. In order to analyze and understand the ...