Sciweavers

117 search results - page 4 / 24
» Metric operations on fuzzy spatial objects in databases
Sort
View
GIS
2004
ACM
14 years 8 months ago
A novel improvement to the R*-tree spatial index using gain/loss metrics
The R*-tree is a state-of-the-art spatial index structure. It has already found its way into commercial systems. The most important improvement of the R*-tree over the original R-...
Donghui Zhang, Tian Xia
HICSS
2008
IEEE
105views Biometrics» more  HICSS 2008»
14 years 2 months ago
Video Content Description Using Fuzzy Spatio-temporal Relations
One of the important aspects in digital video applications is spatial and temporal characteristic. A very little progress has been achieved on spatiotemporal modeling of video dat...
Archana M. Rajurkar, R. C. Joshi, Santanu Chaudhar...
EUSFLAT
2009
163views Fuzzy Logic» more  EUSFLAT 2009»
13 years 5 months ago
A Fuzzy Set Approach to Ecological Knowledge Discovery
Besides the problem of searching for effective methods for extracting knowledge from large databases (KDD) there are some additional problems with handling ecological data, namely ...
Arkadiusz Salski
ICIP
2007
IEEE
14 years 9 months ago
Kernels on Bags of Fuzzy Regions for Fast Object retrieval
We propose in this paper a general kernel framework to deal with database object retrieval embedded in images with heterogeneous background. We use local features computed on fuzz...
Philippe Henri Gosselin, Matthieu Cord, Sylvie Phi...
ADBIS
2004
Springer
124views Database» more  ADBIS 2004»
14 years 1 months ago
Vague Spatial Data Types, Set Operations, and Predicates
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague n...
Alejandro Pauly, Markus Schneider