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» Reasoning on Spatial Constraints over Regions
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GIS
2003
ACM
14 years 7 months ago
The internet spatial spreadsheet: enabling remote visualization of dynamic spatial data and ongoing query results over a network
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...
Glenn S. Iwerks, Hanan Samet
AAAI
2008
13 years 8 months ago
Reasoning with Cardinal Directions: An Efficient Algorithm
Direction relations between extended spatial objects are important commonsense knowledge. Recently, Goyal and Egenhofer proposed a formal model, called Cardinal Direction Calculus...
Xiaotong Zhang, Weiming Liu, Sanjiang Li, Mingshen...
TIME
2006
IEEE
14 years 11 days ago
Ultimately Periodic Simple Temporal Problems (UPSTPs)
In this paper, we consider quantitative temporal or spatial constraint networks whose constraints evolve over time in an ultimately periodic fashion. These constraint networks are...
Jean-François Condotta, Gérard Ligoz...
ICMCS
2005
IEEE
153views Multimedia» more  ICMCS 2005»
13 years 12 months ago
Improved semantic region labeling based on scene context
Semantic region labeling in outdoor scenes, e.g., identifying sky, grass, foliage, water, and snow, facilitates content-based image retrieval, organization, and enhancement. A maj...
Matthew R. Boutell, Jiebo Luo, Christopher M. Brow...
ICCV
2007
IEEE
14 years 8 months ago
An Interactive Approach to Pose-Assisted and Appearance-based Segmentation of Humans
An interactive human segmentation approach is described. Given regions of interest provided by users, the approach iteratively estimates segmentation via a generalized EM algorith...
Zhe Lin, Larry S. Davis, David S. Doermann, Daniel...