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Now showing items 21-30 of 38
A Free Form Feature Taxonomy
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
In this paper the notion of free form feature for aesthetic design is presented. The design of industrial products constituted by free form surfaces is done by using CAD systems representing curves and surfaces by means ...
Adaptive Acquisition of Lumigraphs from Synthetic Scenes
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
Light fields and Lumigraphs are capable of rendering scenes of arbitrary geometrical or illumination complexity in real time. They are thus interesting ways of interacting with both recorded real-world and high-quality ...
An Adaptive Method for Area Light Sources and Daylight in Ray Tracing
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
This paper proposes an adaptive method for taking both (diffuse or not) planar area light sources and daylight into account in a ray tracing environment which separates the calculation of direct and indirect illumination. ...
Improved Laplacian Smoothing of Noisy Surface Meshes
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
This paper presents a technique for smoothing polygonal surface meshes that avoids the well-known problem of deformation and shrinkage caused by many smoothing methods, like e.g. the Laplacian algorithm. The basic idea is ...
A Practical Analysis of Clustering Strategies for Hierarchical Radiosity (Supplementary material)
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
Image Morphing with Feature Preserving Texture
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
Image metamorphosis as an animation tool has mostly been employed in the context of the entire image. This work explores the use of isolated and focused image based metamorphosis between two-dimensional objects, while ...
Seamless Integration of Databases in VR for Constructing Virtual Environments
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
An approach for authoring virtual environments within the virtual environments themselves is presented, integrating a database containing arbitrary components that are used to construct the 3D scene. The issues important ...
Fast Polyhedral Cell Sorting for Interactive Rendering of Unstructured Grids
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
Direct volume rendering based on projective methods works by projecting, in visibility order, the polyhedral cells of a mesh onto the image plane, and incrementally compositing the cell's color and opacity into the final ...
Interactive Line Art Rendering of Freeform Surfaces
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
In recent years, synthetically created line art renderings have reached quality levels that are aesthetically pleasing. Moreover, the sketch based approach was found to be quite capable at conveying geometrical information ...
An Efficient 2? D rendering and Compositing System
(Blackwell Publishers Ltd and the Eurographics Association, 1999)
We describe a method for doing image compositing using either 2D geometric shapes or raster images as input primitives. The resolution of the final image is virtually unlimited but, as no frame buffer is used, performance ...