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GIS
2006
ACM
14 years 9 months ago
Modeling and querying uncertain spatial information for situational awareness applications
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision-making, reasoning, and analysis. Raw input about un...
Dmitri V. Kalashnikov, Yiming Ma, Sharad Mehrotra,...
ICDE
2008
IEEE
167views Database» more  ICDE 2008»
14 years 10 months ago
Automatic Extraction of Useful Facet Hierarchies from Text Databases
Databases of text and text-annotated data constitute a significant fraction of the information available in electronic form. Searching and browsing are the typical ways that users ...
Wisam Dakka, Panagiotis G. Ipeirotis
ICCV
1998
IEEE
14 years 10 months ago
Signfinder: Using Color to Detect, Localize and Identify Informational Signs
We describe an approach to detecting, locating and normalizing road signs. The approach will apply provided: (i) the signs have stereotypical boundary shapes (i.e. rectangular, or...
Alan L. Yuille, Daniel Snow, Mark Nitzberg
ITCC
2005
IEEE
14 years 2 months ago
A Toolkit for Automatically Constructing Outdoor Radio Maps
Outdoor location systems based on Wireless Access Point (WAP) signal strength must either know the exact location of the WAPs in order to use a triangulation algorithm, or must co...
Kay Connelly, Yong Liu, Dan Bulwinkle, Adam Miller...
VIS
2008
IEEE
192views Visualization» more  VIS 2008»
14 years 10 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