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WCE
2007
15 years 6 months ago
MR Image Reconstruction from Pseudo-Hex Lattice Sampling Patterns Using Separable FFT
Abstract— Common MRI sampling patterns in kspace, such as spiral trajectories, have nonuniform density and do not lie on a rectangular grid. We propose mapping the sampled data t...
Jae-Ho Kim, Fred L. Fontaine
KDD
2004
ACM
114views Data Mining» more  KDD 2004»
16 years 5 months ago
Scalable mining of large disk-based graph databases
Mining frequent structural patterns from graph databases is an interesting problem with broad applications. Most of the previous studies focus on pruning unfruitful search subspac...
Chen Wang, Wei Wang 0009, Jian Pei, Yongtai Zhu, B...
IROS
2009
IEEE
261views Robotics» more  IROS 2009»
15 years 11 months ago
Probabilistic motion planning among moving obstacles following typical motion patterns
— The paper presents a navigation algorithm for dynamic, uncertain environment. The static environment is unknown, while moving pedestrians are detected and tracked on-line. Pede...
Chiara Fulgenzi, Anne Spalanzani, Christian Laugie...
ICRA
2002
IEEE
109views Robotics» more  ICRA 2002»
15 years 10 months ago
A Realtime Pattern Generator for Biped Walking
For realtime walking control of a biped robot, we analyze the dynamics of a three-dimensional inverted pendulum whose motions are constrained onto an arbitrarily defined plane. T...
Shuuji Kajita, Fumio Kanehiro, Kenji Kaneko, Kiyos...
125
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KI
2008
Springer
15 years 4 months ago
Shadowing - Tracking - Interviewing: How to Explore Human Spatio-Temporal Behaviour Patterns
The complexity of pedestrian spatio-temporal behaviour calls for the combination of several complementary empirical methods in order to comprehensively understand human motion beha...
Alexandra Millonig, Georg Gartner