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» On Indexing Line Segments
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VIS
2004
IEEE
127views Visualization» more  VIS 2004»
14 years 8 months ago
Stream Line and Path Line Oriented Topology for 2D Time-Dependent Vector Fields
Topological methods aim at the segmentation of a vector field into areas of different flow behavior. For 2D time-dependent vector fields, two such segmentations are possible: eith...
Hans-Christian Hege, Hans-Peter Seidel, Holger The...
ADBIS
2000
Springer
103views Database» more  ADBIS 2000»
13 years 12 months ago
Size Estimation of the Intersection Join between Two Line Segment Datasets
Abstract. In this paper we provide a theoretical framework for estimating the size of the intersection join between two line segment datasets (e.g., roads, railways, utilities). Fo...
Enrico Nardelli, Guido Proietti
JUCS
2011
110views more  JUCS 2011»
13 years 2 months ago
A New Approach to Water Flow Algorithm for Text Line Segmentation
: This paper proposes a new approach to water flow algorithm for the text line segmentation. Original method assumes hypothetical water flows under a few specified angles to the do...
Darko Brodic, Zoran Milivojevic
CIKM
2005
Springer
14 years 1 months ago
Rotation invariant indexing of shapes and line drawings
We present data representations, distance measures and organizational structures for fast and efficient retrieval of similar shapes in image databases. Using the Hough Transform w...
Michail Vlachos, Zografoula Vagena, Philip S. Yu, ...
ICDE
2007
IEEE
116views Database» more  ICDE 2007»
14 years 1 months ago
On-Line Index Selection for Shifting Workloads
This paper introduces COLT (Continuous On-Line Tuning), a novel framework that continuously monitors the workload of a database system and enriches the existing physical design wi...
Karl Schnaitter, Serge Abiteboul, Tova Milo, Neokl...