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» Computational geometry: a retrospective
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VISUALIZATION
2002
IEEE
15 years 11 months ago
A Case Study on Multiresolution Visualization of Local Rainfall from Weather Radar Measurements
Weather radars can measure the backscatter from rain drops in the atmosphere. A complete radar scan provides three–dimensional precipitation information. For the understanding o...
Thomas Gerstner, Dirk Meetschen, Susanne Crewell, ...
RT
2001
Springer
15 years 11 months ago
Opacity Shadow Maps
Opacity shadow maps approximate light transmittance inside a complex volume with a set of planar opacity maps. A volume made of standard primitives (points, lines, and polygons) i...
Tae-Yong Kim 0002, Ulrich Neumann
ICCV
1999
IEEE
15 years 11 months ago
Specularities on Surfaces with Tangential Hairs or Grooves
Specularities on surfaces with tangential hairs or grooves are readily observable in nature. Examples of such phenomena are the arched or looped highlights observed on horses and ...
Rong Lu, Jan J. Koenderink, Astrid M. L. Kappers
SIGGRAPH
1997
ACM
15 years 11 months ago
Guaranteeing the topology of an implicit surface polygonization for interactive modeling
Morse theory shows how the topology of an implicit surface is affected by its function’s critical points, whereas catastrophe theory shows how these critical points behave as th...
Barton T. Stander, John C. Hart
CGI
1996
IEEE
15 years 11 months ago
Improved Specular Highlights With Adaptive Shading
Gouraud shading and Phong shading are widely used interpolation methods to render a polygon mesh of a curved surface. When an illumination equation has a specular reflection term,...
Youngkwan Cho, Ulrich Neumann, Jongwook Woo