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» Equivalent Representations of Set Functions
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VVS
1995
IEEE
132views Visualization» more  VVS 1995»
15 years 1 months ago
Multi-Dimensional Trees for Controlled Volume Rendering and Compression
This paper explores the use of multi-dimensional trees to provide spatial and temporal e ciencies in imaging large data sets. Each node of the tree contains a model of the data in...
Jane Wilhelms, Allen Van Gelder
TSP
2010
14 years 4 months ago
On the shiftability of dual-tree complex wavelet transforms
The dual-tree complex wavelet transform (DT- WT) is known to exhibit better shift-invariance than the conventional discrete wavelet transform. We propose an amplitude-phase represe...
Kunal Narayan Chaudhury, Michael Unser
NDQA
2003
129views Education» more  NDQA 2003»
14 years 11 months ago
Knowledge Tracking: Answering Implicit Questions
Research on Question Answering has produced an arsenal of useful techniques for detecting answers that are explicitly present in the text of a collection of documents. To move bey...
Reinhard Stolle, Daniel G. Bobrow, Cleo Condoravdi...
SIGMOD
2009
ACM
202views Database» more  SIGMOD 2009»
15 years 10 months ago
ZStream: a cost-based query processor for adaptively detecting composite events
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
Yuan Mei, Samuel Madden
ICRA
1999
IEEE
114views Robotics» more  ICRA 1999»
15 years 2 months ago
Smoother Based 3-D Attitude Estimation for Mobile Robot Localization
The mobile robot localization problem is decomposed into two stages attitude estimation followed by position estimation. The innovation of our method is the use of a smoother, in ...
Stergios I. Roumeliotis, Gaurav S. Sukhatme, Georg...