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VTC
2007
IEEE
190views Communications» more  VTC 2007»
14 years 1 months ago
An Adaptive Location Estimator Based on Kalman Filtering for Wireless Sensor Networks
—In this paper, we present a positioning and tracking scheme based on adaptive weighted interpolation and Kalman filtering for wireless sensor networks. The proposed positioning ...
Chin-Liang Wang, Yih-Shyh Chiou, Yu-Sheng Dai
CEC
2005
IEEE
14 years 1 months ago
Localization using evolution strategies in sensornets
With the emergence of wireless sensor networks and pervasive computing, innovative location-aware technologies and services are being investigated. Several iterative approaches emp...
Mark Terwilliger, Ajay K. Gupta, Ashfaq A. Khokhar...
SMA
1999
ACM
152views Solid Modeling» more  SMA 1999»
13 years 12 months ago
Fast volume-preserving free form deformation using multi-level optimization
We present an efficient algorithm for preserving the total volume of a solids undergoing free-form deformation using discrete level-of-detail representations. Given the boundary r...
Gentaro Hirota, Renee Maheshwari, Ming C. Lin
CONEXT
2008
ACM
13 years 9 months ago
ALPHA: an adaptive and lightweight protocol for hop-by-hop authentication
Wireless multi-hop networks are particularly susceptible to attacks based on flooding and the interception, tampering with, and forging of packets. Thus, reliable communication in...
Tobias Heer, Stefan Götz, Oscar García...
ICIP
2010
IEEE
13 years 5 months ago
The 2D orientation is unique through principal moments analysis
When comparing 2D shapes, a key issue is their normalization. Translation and scale are easily taken care of by removing the mean and normalizing the energy. However, defining and...
João F. P. Crespo, Pedro M. Q. Aguiar