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TASE
2011
IEEE
13 years 2 months ago
A Totally Decoupled Piezo-Driven XYZ Flexure Parallel Micropositioning Stage for Micro/Nanomanipulation
—This paper reports the design and development processes of a totally decoupled flexure-based XYZ parallel-kinematics micropositioning stage with piezoelectric actuation. The un...
Yangmin Li, Qingsong Xu
TSP
2011
170views more  TSP 2011»
13 years 1 months ago
Low-Delay Prediction- and Transform-Based Wyner-Ziv Coding
—This paper studies low-delay Wyner–Ziv coding, i.e., lossy source coding with side information at the decoder, with emphasis on the extreme of zero delay. To achieve zero dela...
Xuechen Chen, Ertem Tuncel
JSAC
2011
219views more  JSAC 2011»
13 years 1 months ago
Detection of Small-Scale Primary Users in Cognitive Radio Networks
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices, such as wireless microphones, is a challenging, but very important, problem that has not yet be...
Alexander W. Min, Xinyu Zhang, Kang G. Shin
WWW
2011
ACM
13 years 1 months ago
Estimating sizes of social networks via biased sampling
Online social networks have become very popular in recent years and their number of users is already measured in many hundreds of millions. For various commercial and sociological...
Liran Katzir, Edo Liberty, Oren Somekh
TMI
2010
134views more  TMI 2010»
13 years 1 months ago
Exploiting Quasiperiodicity in Motion Correction of Free-Breathing Myocardial Perfusion MRI
Free-breathing image acquisition is desirable in first-pass gadolinium- enhanced magnetic resonance imaging (MRI), but the breathing movements hinder the direct automatic analysis ...
Gert Wollny, María J. Ledesma-Carbayo, Pete...