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SIGMOD
1999
ACM
181views Database» more  SIGMOD 1999»
15 years 2 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
PG
1997
IEEE
15 years 1 months ago
Rendering of spherical light fields
A plenoptic function is a parameterized function describing the flow of light in space, and has served as a key idea in building some of the recent image-based rendering systems....
Insung Ihm, Sanghoon Park, Rae Kyoung Lee
BMCBI
2006
130views more  BMCBI 2006»
14 years 9 months ago
Spatial normalization of array-CGH data
Background: Array-based comparative genomic hybridization (array-CGH) is a recently developed technique for analyzing changes in DNA copy number. As in all microarray analyses, no...
Pierre Neuvial, Philippe Hupé, Isabel Brito...
TMI
2002
386views more  TMI 2002»
14 years 9 months ago
Tracking Leukocytes In Vivo with Shape and Size Constrained Active Contours
Inflammatory disease is initiated by leukocytes (white blood cells) rolling along the inner surface lining of small blood vessels called postcapillary venules. Studying the number ...
Nilanjan Ray, Scott T. Acton, Klaus Ley
CVPR
2008
IEEE
15 years 11 months ago
Object tracking and detection after occlusion via numerical hybrid local and global mode-seeking
Given an object model and a black-box measure of similarity between the model and candidate targets, we consider visual object tracking as a numerical optimization problem. During...
Zhaozheng Yin, Robert T. Collins