1888 search results - page 239 / 378 » Algorithms for Querying by Spatial Structure |
IPL
2010
13 years 7 months ago
2010
We derive a new generalization of lowest common ancestors (LCAs) in dags, called the lowest single common ancestor (LSCA). We show how to preprocess a static dag in linear time su...
ICDT
2011
ACM
13 years 23 days ago
2011
ACM
Given a set of points with uncertain locations, we consider the problem of computing the probability of each point lying on the skyline, that is, the probability that it is not do...
ICIP
2009
IEEE
14 years 10 months ago
2009
IEEE
A correct video segmentation, namely the detection of moving objects within a scene plays a very important role in many application in safety, surveillance, trafic monitoring and ...
SAC
2010
ACM
14 years 4 months ago
2010
ACM
This paper studies the use of highly dynamic networks as infrastructures for persistent storage of data that offer services at specific geographical zones in a decentralized and...
EUROGRAPHICS
2010
Eurographics
13 years 10 months ago
2010
Eurographics
This paper proposes two variants of a simple but efficient algorithm for structure-preserving halftoning. Our algorithm extends Floyd-Steinberg error diffusion; the goal of our ex...