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ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Directions search returns the shortest path from a source to a destination on a road network. However, the search interests of users may be exposed to the service providers, thus r...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Abstract--With the advance of wireless communication technology, it is quite common for people to view maps or get related services from the handheld devices, such as mobile phones...
ICIP
2005
IEEE
14 years 10 months ago
2005
IEEE
We provide a new comparison between hexagonal and orthogonal lattices, based on approximation theory. For each of the lattices, we select the "natural" spline basis func...
ICIP
2000
IEEE
14 years 10 months ago
2000
IEEE
Joint space-frequency segmentation is a relatively new image compression technique that finds the rate-distortion optimal representation of an image from a large set of possible s...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Elevation maps are a widely used spatial data representation in geographical information systems (GIS). Paths on elevation maps can be characterized by profiles, which describe re...