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» Approximation Techniques for Spatial Data
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CAE
2010
15 years 1 days ago
Interactive Volume Illustration Using Intensity Filtering
We propose a simple and interactive technique for volume illustration by using the difference between the original intensity values and a low-pass filtered copy. This difference, ...
Marc Ruiz, Imma Boada, Miquel Feixas, Mateu Sbert
VLUDS
2010
158views Visualization» more  VLUDS 2010»
14 years 11 months ago
Cartography of Mars in a Virtual Reality Environment
This work aims to investigate the suitability of applying Virtual Reality techniques in the exploration of Mars terrain features in order to support the creation of topographic ma...
Rolf Westerteiger
SIGMOD
2009
ACM
171views Database» more  SIGMOD 2009»
16 years 5 months ago
GAMPS: compressing multi sensor data by grouping and amplitude scaling
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
Sorabh Gandhi, Suman Nath, Subhash Suri, Jie Liu
PODS
2004
ACM
207views Database» more  PODS 2004»
16 years 5 months ago
Adaptive Sampling for Geometric Problems over Data Streams
Geometric coordinates are an integral part of many data streams. Examples include sensor locations in environmental monitoring, vehicle locations in traffic monitoring or battlefi...
John Hershberger, Subhash Suri
INFOCOM
2006
IEEE
15 years 11 months ago
Sketch Guided Sampling - Using On-Line Estimates of Flow Size for Adaptive Data Collection
— Monitoring the traffic in high-speed networks is a data intensive problem. Uniform packet sampling is the most popular technique for reducing the amount of data the network mo...
Abhishek Kumar, Jun Xu