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323views
14 years 3 months ago
Estimation of Location Uncertainty for Scale Invariant Feature Points
Image feature points are the basis for numerous computer vision tasks, such as pose estimation or object detection. State of the art algorithms detect features that are invariant t...
Bernhard Zeisl, Pierre Fite Georgel, Florian Schwe...
VTC
2006
IEEE
124views Communications» more  VTC 2006»
14 years 1 months ago
Accurate BER Analysis of QPSK Modulated Asynchronous DS-CDMA Systems Communicating over Rayleigh Channels
Abstract— The accurate average BER calculation of an asynchronous DS-CDMA system using random spreading sequences is studied in Rayleigh fading channels. An accurate closedform e...
Xiang Liu, Lajos Hanzo
PRESENCE
1998
108views more  PRESENCE 1998»
13 years 7 months ago
Navigating Large-Scale 'Desk-Top' Virtual Buildings: Effects of Orientation Aids and Familiarity
Two experiments investigated components of participants’ spatial knowledge when they navigated large-scale ‘‘virtual buildings’’ using ‘‘desk-top’’ (i.e., nonimm...
Roy A. Ruddle, Stephen J. Payne, Dylan M. Jones
JOCN
2011
85views more  JOCN 2011»
12 years 10 months ago
Cardiorespiratory Fitness and the Flexible Modulation of Cognitive Control in Preadolescent Children
■ The influence of cardiorespiratory fitness on the modulation of cognitive control was assessed in preadolescent children separated into higher- and lower-fit groups. Participa...
Matthew B. Pontifex, Lauren B. Raine, Christopher ...
EOR
2011
124views more  EOR 2011»
13 years 2 months ago
Analysis of order-up-to-level inventory systems with compound Poisson demand
: We analyse a single echelon single item inventory system where the demand and the lead time are stochastic. Demand is modelled as a compound Poisson process and the stock is cont...
M. Zied Babai, Zied Jemaï, Yves Dallery