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» On the volume of sets bounded by refinable functions
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VISUALIZATION
2003
IEEE
13 years 11 months ago
A Frequency-Sensitive Point Hierarchy for Images and Volumes
This paper introduces a method for converting an image or volume sampled on a regular grid into a space-efficient irregular point hierarchy. The conversion process retains the ori...
Tomihisa Welsh, Klaus Mueller
ICDE
2007
IEEE
124views Database» more  ICDE 2007»
14 years 7 months ago
On MBR Approximation of Histories for Historical Queries: Expectations and Limitations
Traditional approaches for efficiently processing historical queries, where a history is a multidimensional timeseries, employ a two step filter-and-refine scheme. In the filter s...
Reza Sherkat, Davood Rafiei
JGTOOLS
2008
126views more  JGTOOLS 2008»
13 years 5 months ago
Simple Empty-Space Removal for Interactive Volume Rendering
Interactive volume rendering methods such as texture-based slicing techniques and ray-casting have been well developed in recent years. The rendering performance is generally restr...
Vincent Vidal 0002, Xing Mei, Philippe Decaudin
ICCV
2009
IEEE
14 years 10 months ago
Label Set Perturbation for MRF based Neuroimaging Segmentation
Graph-cuts based algorithms are effective for a variety of segmentation tasks in computer vision. Ongoing research is focused toward making the algorithms even more general, as ...
Dylan Hower, Vikas Singh, Sterling C. Johnson
VIS
2008
IEEE
192views Visualization» more  VIS 2008»
14 years 7 months ago
Smooth Surface Extraction from Unstructured Point-based Volume Data Using PDEs
Abstract--Smooth surface extraction using partial differential equations (PDEs) is a well-known and widely used technique for visualizing volume data. Existing approaches operate o...
Paul Rosenthal, Lars Linsen