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SOCIALCOM
2010
15 years 1 months ago
Facilitating Knowledge Exploration in Folksonomies: Expertise Ranking by Link and Semantic Structures
We developed user models of knowledge exploration in a social tagging system to test the expertise rankings generated by a link-structure method and a semantic-structure method. Th...
Wai-Tat Fu, Wei Dong
ISCAS
2006
IEEE
97views Hardware» more  ISCAS 2006»
15 years 9 months ago
Supercritical stability in a sonar receiver circuit
—We describe a simple circuit, inspired by the human auditory system, which allows controllable supercritical stability in a sonar receiver. The receiver is held on the threshold...
Jonathan Tapson
132
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SIGPRO
2008
116views more  SIGPRO 2008»
15 years 3 months ago
Adaptive bilateral filtering of image signals using local phase characteristics
This paper presents a novel perceptually based method for noise reduction of image signals characterized by low signal to noise ratios. The proposed method exploits the local phas...
Alexander Wong
TSP
2010
14 years 10 months ago
Recovering signals from lowpass data
The problem of recovering a signal from its low frequency components occurs often in practical applications due to the lowpass behavior of many physical systems. Here we study in d...
Yonina C. Eldar, Volker Pohl
121
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ICASSP
2011
IEEE
14 years 7 months ago
Robust parametrization for non-destructive evaluation of composites using ultrasonic signals
Anticipating and characterizing damages in layered carbon fiberreinforced polymers is a challenging problem. Non-destructive evaluation using ultrasonic signals is a well-establi...
Nicolas Bochud, Angel M. Gomez, Guillermo Rus, Jos...