856 search results - page 158 / 172 » Location-based Spatial Queries |
SIGGRAPH
2010
ACM
14 years 2 months ago
2010
ACM
We present an efficient technique to render single scattering in large scenes with reflective and refractive objects and homogeneous participating media. Efficiency is obtained...
SSD
2001
Springer
14 years 2 months ago
2001
Springer
Intervals represent a fundamental data type for temporal, scientific, and spatial databases where time stamps and point data are extended to time spans and range data, respectively...
SSIAI
2000
IEEE
14 years 2 months ago
2000
IEEE
This paper describes a content-based image retrieval system that employs both higher-level and lower-level vision methodologies separately and in conjunction for the retrieval of ...
UIST
2000
ACM
14 years 2 months ago
2000
ACM
We present a general approach to the dynamic representation of 2D space that is well suited for userinterface layout. We partition space into two distinct categories: full and emp...
SIGIR
1999
ACM
14 years 2 months ago
1999
ACM
The fast growth of multimedia information in image and video databases has triggered research on efficient retrieval methods. This paper deals with structural queries, a type of c...