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CGF
2005
311views more  CGF 2005»
13 years 7 months ago
Cubical Marching Squares: Adaptive Feature Preserving Surface Extraction from Volume Data
In this paper, we present a new method for surface extraction from volume data which preserves sharp features, maintains consistent topology and generates surface adaptively witho...
Chien-Chang Ho, Fu-Che Wu, Bing-Yu Chen, Yung-Yu C...
SIGMOD
1999
ACM
181views Database» more  SIGMOD 1999»
13 years 11 months ago
Approximate Computation of Multidimensional Aggregates of Sparse Data Using Wavelets
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
Jeffrey Scott Vitter, Min Wang
ICDM
2008
IEEE
401views Data Mining» more  ICDM 2008»
14 years 2 months ago
Graph OLAP: Towards Online Analytical Processing on Graphs
OLAP (On-Line Analytical Processing) is an important notion in data analysis. Recently, more and more graph or networked data sources come into being. There exists a similar need ...
Chen Chen, Xifeng Yan, Feida Zhu, Jiawei Han, Phil...
EDBT
2000
ACM
13 years 11 months ago
The Dynamic Data Cube
Rangesumqueriesondatacubesareapowerful toolforanalysis.Arangesumqueryappliesanaggregation operation(e.g.,SUM,AVERAGE)overallselectedcellsina datacube,wheretheselectionisspecifiedby...
Steven Geffner, Divyakant Agrawal, Amr El Abbadi
VRCAI
2004
ACM
14 years 28 days ago
A novel approach to extract triangle strips for iso-surfaces in volumes
The Marching Cubes (MC) algorithm is a popular approach to extract iso-surfaces from volumetric data. This approach extracts triangles from the volume data for a specific iso-valu...
Jagannathan Lakshmipathy, Wieslaw L. Nowinski, Eri...