31 search results - page 4 / 7 » Piecewise Linear Approximation of Signed Distance Fields |
ICDE
2005
IEEE
14 years 8 months ago
2005
IEEE
Efficiently and accurately searching for similarities among time series and discovering interesting patterns is an important and non-trivial problem. In this paper, we introduce a...
COMPGEOM
2006
ACM
14 years 1 months ago
2006
ACM
The medial axis of a shape is known to carry a lot of information about it. In particular a recent result of Lieutier establishes that every bounded open subset of Rn has the same...
SMA
2003
ACM
14 years 21 days ago
2003
ACM
We present an efficient algorithm to approximate the swept volume (SV) of a complex polyhedron along a given trajectory. Given the boundary description of the polyhedron and a pat...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Similarity-based search over time-series databases has been a hot research topic for a long history, which is widely used in many applications, including multimedia retrieval, dat...