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AGILE
2009
Springer
210views GIS» more  AGILE 2009»
15 years 4 months ago
Detecting Hotspots in Geographic Networks
We study a point pattern detection problem on networks, motivated by geographical analysis tasks, such as crime hotspot detection. Given a network N (for example, a street, train,...
Kevin Buchin, Sergio Cabello, Joachim Gudmundsson,...
FUN
2007
Springer
120views Algorithms» more  FUN 2007»
15 years 1 months ago
Drawing Borders Efficiently
A spreadsheet, especially MS Excel, is probably one of the most popular software applications for personal-computer users and gives us convenient and user-friendly tools for drawin...
Kazuo Iwama, Eiji Miyano, Hirotaka Ono
GD
2003
Springer
15 years 2 months ago
Fixed-Location Circular-Arc Drawing of Planar Graphs
In this paper we consider the problem of drawing a planar graph using circular arcs as edges, given a one-to-one mapping between the vertices of the graph and a set of points in t...
Alon Efrat, Cesim Erten, Stephen G. Kobourov
COMPGEOM
2006
ACM
15 years 3 months ago
Colored intersection searching via sparse rectangular matrix multiplication
In a Batched Colored Intersection Searching Problem (CI), one is given a set of n geometric objects (of a certain class). Each object is colored by one of c colors, and the goal i...
Haim Kaplan, Micha Sharir, Elad Verbin
ICIP
2006
IEEE
15 years 11 months ago
Multiscale Image Disparity Estimation using the Quaternion Wavelet Transform
We propose an efficient multiscale image disparity estimation algorithm that estimates the local translations needed to align different regions in two images. The algorithm is bas...
Wai Lam Chan, Hyeokho Choi, Richard G. Baraniuk