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Liang Wan, Tien-Tsin Wong, Chi-Sing Leung
This paper proposes a novel six-face spherical map, isocube, that fully utilizes the cubemap hardware built in most GPUs. Unlike the cubemap, the proposed isocube uniformly samples the unit sphere (uniformly distributed), and all samples span the same solid angle (equally important). Its mapping computation contains only a small overhead. By feeding the cubemap hardware […]
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Kirk Riley, Yuyan Song, Martin Kraus, David S. Ebert, Jason J. Levit
Operational forecasters and weather researchers need accurate visualization of atmospheric data from both computational models and observed data. Although these two applications share some requirements, they have different needs and goals. We’ve developed a visualization tool for atmospheric science researchers and research weather forecasters that allows the 3D visualization of measured radar data and rendered […]
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Naga K. Govindaraju, Ming C. Lin, Dinesh Manocha
We present a fast collision culling algorithm for performing inter- and intra-object collision detection among complex models using graphics hardware. Our algorithm is based on CULLIDE and performs visibility queries on the GPUs to eliminate a subset of geometric primitives that are not in close proximity. We present an extension to CULLIDE to perform intra-object […]
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Elmar Eisemann, Xavier Decoret
This paper presents a novel approach that uses graphics hardware to dynamically calculate a voxel-based representation of a scene. The voxelization is obtained on run-time in the order of milliseconds, even for complex and dynamic scenes containing more than 1,000,000 polygons. The voxelization is created and stored on the GPU avoiding unnecessary data transfer. The […]
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Naga K. Govindaraju, Nikunj Raghuvanshi, Dinesh Manocha
We present algorithms for fast quantile and frequency estimation in large data streams using graphics processors (GPUs). We exploit the high computation power and memory bandwidth of graphics processors and present a new sorting algorithm that performs rasterization operations on the GPUs. We use sorting as the main computational component for histogram approximation and construction […]
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Naga K. Govindaraju, Dinesh Manocha
We present algorithms using graphics processing units (GPUs) to efficiently perform database management queries. Our algorithms use efficient data memory representations and storage models on GPUs to perform fast database computations. We present relational database algorithms that successfully exploit the high memory bandwidth and the inherent parallelism available in GPUs. We implement these algorithms on […]
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