Browsing Issue 3 by Issue Date
Now showing items 1-20 of 46
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Image-Swept Volumes
(Blackwell Publishers, Inc and the Eurographics Association, 2002)Many graphical objects can be represented by swept volumes (including its subset - generalised cylinders) by sweeping 2D or 3D templates along 3D trajectories. In this paper, we present a new approach for constructing swept ... -
Modeling Surperspective Projection of Landscapes for Geographical Guide-Map Generation
(Blackwell Science Ltd and the Eurographics Association, 2002)It is still challenging to generate hand-drawn pictures because they differ from ordinary photographs in that they are often drawn as seen from multiple viewpoints. This paper presents a new approach for modeling such ... -
Dynamic Textures for Image-based Rendering of Fine-Scale 3D Structure and Animation of Non-rigid Motion
(Blackwell Publishers, Inc and the Eurographics Association, 2002)The problem of capturing real world scenes and then accurately rendering them is particularly difficult for fine-scale 3D structure. Similarly, it is difficult to capture, model and animate non-rigid motion. We present a ... -
A Simple and Robust Mutation Strategy for the Metropolis Light Transport Algorithm
(Blackwell Publishers, Inc and the Eurographics Association, 2002)This paper presents a new mutation strategy for the Metropolis light transport algorithm, which works in the unit cube of pseudo-random numbers instead of mutating in the path space. This transformation makes the integrand ... -
Improved Scene Reconstruction from Range Images
(Blackwell Publishers, Inc and the Eurographics Association, 2002)The modeling of real scenes is a complex and challenging task for which the use of laser rangefinders is one of the most promising approaches. Unfortunately, in many situations, it is not possible or practical to guarantee ... -
Automatic Integration of Facade Textures into 3D Building Models with a Projective Geometry Based Line Clustering
(Blackwell Publishers, Inc and the Eurographics Association, 2002)Visualization of city scenes is important for many applications including entertainment and urban mission planning. Models covering wide areas can be efficiently constructed from aerial images. However, only roof details ... -
Representation of Pseudo Inter-reflection and Transparency by Considering Characteristics of Human Vision
(Blackwell Publishers, Inc and the Eurographics Association, 2002)We have succeeded in developing a quick and fully automated system that can generate photo-realistic 3D CG data based on a real object. A major factor in this success comes from our findings through psychophysical experiments ... -
Local Physical Models for Interactive Character Animation
(Blackwell Publishers, Inc and the Eurographics Association, 2002)Our goal is to design and build a tool for the creation of expressive character animation. Virtual puppetry, also known as performance animation, is a technique in which the user interactively controls a character's motion. ... -
Angle-Analyzer: A Triangle-Quad Mesh Codec
(Blackwell Publishers, Inc and the Eurographics Association, 2002) -
A Frequency-Domain Approach to Watermarking 3D Shapes
(Blackwell Publishers, Inc and the Eurographics Association, 2002)This paper presents a robust watermarking algorithm with informed detection for 3D polygonal meshes. The algorithm is based on our previous algorithm [22] that employs mesh-spectral analysis to modify mesh shapes in their ... -
Space-Optimized Texture Maps
(Blackwell Publishers, Inc and the Eurographics Association, 2002)Texture mapping is a common operation to increase the realism of three-dimensional meshes at low cost. We propose a new texture optimization algorithm based on the reduction of the physical space allotted to the texture ... -
Fast Continuous Collision Detection between Rigid Bodies
(Blackwell Publishers, Inc and the Eurographics Association, 2002)This paper introduces a fast continuous collision detection technique for polyhedral rigid bodies. As opposed to most collision detection techniques, the computation of the first contact time between two objects is inherently ... -
Deferred, Self-Organizing BSP Trees
(Blackwell Publishers, Inc and the Eurographics Association, 2002)bsptrees and KD trees are fundamental data structures for collision detection in walkthrough environments. A basic issue in the construction of these hierarchical data structures is the choice of cutting planes. Rather ... -
Virtual Visual Servoing: a framework for real-time augmented reality
(Blackwell Publishers, Inc and the Eurographics Association, 2002)This paper presents a framework to achieve real-time augmented reality applications. We propose a framework based on the visual servoing approach well known in robotics. We consider pose or viewpoint computation as a similar ... -
Artificial Animals and Humans: From Physics to Intelligence
(Blackwell Publishers, Inc and the Eurographics Association, 2002)The confluence of virtual reality and artificial life, an emerging discipline that spans the computational and biological sciences, has yielded synthetic worlds inhabited by realistic, artificial flora and fauna. Artificial ... -
Efficient Fitting and Rendering of Large Scattered Data Sets Using Subdivision Surfaces
(Blackwell Publishers, Inc and the Eurographics Association, 2002)We present a method to efficiently construct and render a smooth surface for approximation of large functional scattered data. Using a subdivision surface framework and techniques from terrain rendering, the resulting ... -
A Solid Model Based Virtual Hairy Brush
(Blackwell Publishers, Inc and the Eurographics Association, 2002)We present the detailed modeling of the hairy brush used typically in Chinese calligraphy. The complex model, which includes also a model for the ink and the paper, covers the various stages of the brush going through a ... -
Transparency in Interactive Technical Illustrations
(Blackwell Publishers, Inc and the Eurographics Association, 2002)This paper describes how technical illustrations containing opaque and non-opaque objects can be automatically generated. Traditional methods to show transparency in manual drawings are evaluated to extract a small and ... -
Geometric Approximations Towards Free Specular Comic Shading
(Blackwell Publishers, Inc and the Eurographics Association, 2002)We extend the standard solution to comic rendering with a comic-style specular component. To minimise the computational overhead associated with this extension, we introduce two optimising approximations; the perspective ... -
Surface reconstruction based on a dynamical system?
(Blackwell Publishers, Inc and the Eurographics Association, 2002)We present an efficient algorithm that computes a manifold triangular mesh from a set of unorganized sample points in. The algorithm builds on the observation made by several researchers that the Gabriel graph of the sample ...