392 search results - page 46 / 79 » Spatial Function Representation and Retrieval |
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
ICIP
2005
IEEE
14 years 11 months ago
2005
IEEE
In spite of the success of the standard wavelet transform (WT) in image processing, the efficiency of its representation is limited by the spatial isotropy of its basis functions ...
IJCM
2007
13 years 9 months ago
2007
The highest fidelity representations of realistic real-world materials currently used comprise Bidirectional Texture Functions (BTF). The BTF is a six dimensional function dependi...
CGF
2004
13 years 9 months ago
2004
We present an algorithm for fast computation of discretized 3D distance fields using graphics hardware. Given a set of primitives and a distance metric, our algorithm computes the...
SIGMOD
2000
ACM
14 years 2 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...