Sciweavers

2962 search results - page 477 / 593
» Optimizing Spatial Data Structures For Static Data
Sort
View
VIS
2009
IEEE
211views Visualization» more  VIS 2009»
14 years 9 months ago
Isosurface Extraction and View-Dependent Filtering from Time-Varying Fields Using Persistent Time-Octree (PTOT)
We develop a new algorithm for isosurface extraction and view-dependent filtering from large time-varying fields, by using a novel Persistent Time-Octree (PTOT) indexing structure....
Cong Wang, Yi-Jen Chiang
SAC
2010
ACM
14 years 2 months ago
On processing location based top-k queries in the wireless broadcasting system
In this paper, we explore the problem of processing a novel type of location based queries, named the location based top-k query, which involves both of spatial and non-spatial sp...
HaRim Jung, Byung Ku Cho, Yon Dohn Chung, Ling Liu
CIVR
2007
Springer
178views Image Analysis» more  CIVR 2007»
14 years 2 months ago
Layout indexing of trademark images
Ensuring the uniqueness of trademark images and protecting their identities are the most important objectives for the trademark registration process. To prevent trademark infringe...
Reinier H. van Leuken, M. Fatih Demirci, Victoria ...
PRICAI
2004
Springer
14 years 1 months ago
Shape Matching for Robot Mapping
We present a novel geometric model for robot mapping based on shape. Shape similarity measure and matching techniques originating from computer vision are specially redesigned for ...
Diedrich Wolter, Longin Jan Latecki
DBA
2004
140views Database» more  DBA 2004»
13 years 9 months ago
A Tool for Transforming Conceptual Schemas of Spatio-Temporal Databases with Multiple Representation
Nowadays, classical conceptual models (such as ER or UML) are used for designing database applications. These classical conceptual models usually come with associated CASE tools a...
Mohammed Minout, Christine Parent, Esteban Zim&aac...