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AAAI
2007
14 years 11 months ago
Isometric Projection
Recently the problem of dimensionality reduction has received a lot of interests in many fields of information processing. We consider the case where data is sampled from a low d...
Deng Cai, Xiaofei He, Jiawei Han
SMI
2006
IEEE
135views Image Analysis» more  SMI 2006»
15 years 3 months ago
Laplace-Beltrami Eigenfunctions Towards an Algorithm That "Understands" Geometry
One of the challenges in geometry processing is to automatically reconstruct a higher-level representation from raw geometric data. For instance, computing a parameterization of a...
Bruno Lévy
TMC
2010
224views more  TMC 2010»
14 years 7 months ago
Multihop Range-Free Localization in Anisotropic Wireless Sensor Networks: A Pattern-Driven Scheme
—This paper focuses on multihop range-free localization in anisotropic wireless sensor networks. In anisotropic networks, geometric distance between a pair of sensor nodes is not...
Qingjun Xiao, Bin Xiao, Jiannong Cao, Jianping Wan...
DSD
2008
IEEE
166views Hardware» more  DSD 2008»
15 years 4 months ago
Pearson - based Analysis of Positioning Error Distribution in Wireless Sensor Networks
Abstract—In two recent contributions [1], [2], we have provided a comparative analysis of various optimization algorithms, which can be used for atomic location estimation, and s...
Stefano Tennina, Marco Di Renzo, Fabio Graziosi, F...
SIGGRAPH
1995
ACM
15 years 1 months ago
Interactive physically-based manipulation of discrete/continuous models
Physically-based modeling has been used in the past to support a variety of interactive modeling tasks including free-form surface design, mechanism design, constrained drawing, a...
Mikako Harada, Andrew P. Witkin, David Baraff