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TPDS
2008
157views more  TPDS 2008»
13 years 7 months ago
Distributed Localization Using a Moving Beacon in Wireless Sensor Networks
The localization of sensor nodes is a fundamental problem in sensor networks and can be implemented using powerful and expensive beacons. Beacons, the fewer the better, can acquire...
Bin Xiao, Hekang Chen, Shuigeng Zhou
ICASSP
2009
IEEE
14 years 2 months ago
Q-SIFT: Efficient feature descriptors for distributed camera calibration
We consider camera self-calibration, i.e. the estimation of parameters for camera sensors, in the setting of a visual sensor network where the sensors are distributed and energy-c...
Chao Yu, Gaurav Sharma
BIBE
2007
IEEE
168views Bioinformatics» more  BIBE 2007»
14 years 1 months ago
Tissue Identification in Ultrasound Images using Rayleigh Local Parameter Estimation
A method to identify different tissues in ultrasound images is presented. Assuming a Rayleigh modelfor speckle, the different tissues present in the image will be related to the R...
Santiago Aja-Fernández, Marcos Martí...