Browsing Issue 3 by Title
Now showing items 21-39 of 39
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Object Calibration for Augmented Reality
(Blackwell Science Ltd and the Eurographics Association, 1995)Augmented reality involves the use of models and their associated renderings to supplement information in a real scene. In order for this information to be relevant or meaningful, the models must be positioned and displayed ... -
A Quick Rendering Method Using Basis Functions for Interactive Lighting Design
(Blackwell Science Ltd and the Eurographics Association, 1995)When designing interior lighting effects, it is desirable to compare a variety of lighting designs involving different lighting devices and directions of light. It is, however, time-consuming to generate images with many ... -
A rational model of the surface swept by a curve*
(Blackwell Science Ltd and the Eurographics Association, 1995)This paper shows how to construct a rational Bezier model of a swept surface that interpolates N frames (i.e., N position/orientation pairs) of a fixed rational space curve c(s) and maintains the shape of the curve at all ... -
A Real-time Continuous Alphabetic Sign Language to Speech Conversion VR System
(Blackwell Science Ltd and the Eurographics Association, 1995)Many ways of communications are used between human and computer, while using gesture is considered to be one of the most natural way in a virtual reality system. Because of its intuitiveness and its capability of helping ... -
Realizing 3D Visual Programming Environments within a Virtual Environment
(Blackwell Science Ltd and the Eurographics Association, 1995)In the visual programming community, many interesting graphical metaphors have been reported upon for representing computer programs graphically. Most of them have a 2D or 2.5D appearance on the screen in order to reflect ... -
Reasoning About Gestural Interaction
(Blackwell Science Ltd and the Eurographics Association, 1995)Many of the reported developments in the design of virtual spaces or visualisation systems are based on improvements in technology, either physical devices or algorithms for achieving realistic renderings within real-time ... -
Rendering of Surface and Volume Details in Volume Data*
(Blackwell Science Ltd and the Eurographics Association, 1995)Aiming at the detail rendering in volume data, a new volume illumination model, called Composed Scattering Model (CSM), is presented. In order to enhance different details in volume data, scattering intensity is decomposed ... -
Shading with Curve Light Sources1
(Blackwell Science Ltd and the Eurographics Association, 1995)A new shading model for curve light sources is presented. It accounts for both diffuse reflection and specular reflection of the illuminated surface. By regarding a linear light source as a directional quadrilateral light ... -
Sketching 3D Animations
(Blackwell Science Ltd and the Eurographics Association, 1995)We are interested in providing animators with a general-purpose tool allowing them to create animations using straight-ahead actions as well as pose-to-pose techniques. Our approach seeks to bring the expressiveness of ... -
Spherical Triangular B-splines with Application to Data Fitting
(Blackwell Science Ltd and the Eurographics Association, 1995)Triangular B-splines surfaces are a tool for representing arbitrary piecewise polynomial surfaces over planar triangulations, while automatically maintaining continuity properties across patch boundaries. Recently, Alfeld ... -
Syntax Channelling and Other Issues affecting Innovation in the Graphical User Interface
(Blackwell Science Ltd and the Eurographics Association, 1995)Does the modern commercial Graphical User Interface constrain the developer of graphics applications into certain interaction styles? This paper looks at the Microsoft Windows environment as an example, with particular ... -
Synthesizing Feather Textures in Galliformes
(Blackwell Science Ltd and the Eurographics Association, 1995)The texture of feather is one of the most fascinating, complicated, and beautiful texture patterns in nature. In this paper, we propose a new and effective texture generation approach that uses the traits of iteration ... -
Synthetic Vision and Audition for Digital Actors
(Blackwell Science Ltd and the Eurographics Association, 1995)We present an overview of some principles of synthetic vision and audition for digital autonomous actors in virtual worlds. After a short review of the state-of-the-art we focus on some aspects of synthetic vision and ... -
Thoughtful Drawings: A Computational Model of the Cognitive Nature of Children s Drawing
(Blackwell Science Ltd and the Eurographics Association, 1995)An interpretation of children s drawing is presented that is based on active perception of the world and the construction of an equivalent self contained two-dimensional world. This model is implemented in a computer program ... -
Three Architectures for Volume Rendering
(Blackwell Science Ltd and the Eurographics Association, 1995)Volume rendering is a key technique in scientific visualization that lends itself to significant exploitable parallelism. The high computational demands of real-time volume rendering and continued technological advances ... -
Two-step Prediction and Image Deflection for Exact Head Tracking in Virtual Environments
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Using Procedural RenderMan Shaders for Global Illurnination
(Blackwell Science Ltd and the Eurographics Association, 1995)Global illumination techniques like radiosity or Monte-Carlo ray-tracing are becoming standard features of rendering systems. However, there is currently no accepted interface format which supports an appropriate ... -
Visibility and Dead-Zones in Digital Terrain Maps
(Blackwell Science Ltd and the Eurographics Association, 1995)The problem of detecting the visible and hidden areas of a topographic surface from a given viewpoint is well known, and has applications in GIS and other fields. The computational geometry literature is rich with solutions ... -
VR-VIBE: A Virtual Environment for Co-operative Information Retrieval
(Blackwell Science Ltd and the Eurographics Association, 1995)We present a virtual reality application called VR-VIBE which is intended to support the co-operative browsing and filtering of large document stores. VR-VIBE extends a visualisation approach proposed in a previous two ...