69 search results - page 13 / 14 » Qualitative Spatial Reasoning about Line Segments |
GIS
2008
ACM
14 years 6 months ago
2008
ACM
An index is devised to support position-independent search for images containing quartets of icons. Point quartets exist that do not unambiguously map to quadrilaterals, however, ...
GIS
2004
ACM
14 years 6 months ago
2004
ACM
Triangular Irregular Network (TIN) and Regular Square Grid (RSG) are widely used for representing 2.5 dimensional spatial data. However, these models are not defined from the topo...
ICS
1995
Tsinghua U.
13 years 8 months ago
1995
Tsinghua U.
Current data cache organizations fail to deliver high performance in scalar processors for many vector applications. There are two main reasons for this loss of performance: the u...
TMI
2011
13 years 3 days ago
2011
—In this paper, we propose a novel predictive model, active volume model (AVM), for object boundary extraction. It is a dynamic “object” model whose manifestation includes a ...
ICCV
2007
IEEE
14 years 7 months ago
2007
IEEE
Occlusion reasoning, necessary for tasks such as navigation and object search, is an important aspect of everyday life and a fundamental problem in computer vision. We believe tha...