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» The Incidence Propagation Method
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CCS
2004
ACM
14 years 1 months ago
A PIN-entry method resilient against shoulder surfing
Magnetic stripe cards are in common use for electronic payments and cash withdrawal. Reported incidents document that criminals easily pickpocket cards or skim them by swiping the...
Volker Roth, Kai Richter, Rene Freidinger
ISBI
2004
IEEE
14 years 10 months ago
Speckle Reduction on Ultrasound Image by Variational Methods and Adaptive Lagrangian Multipliers
Ultrasound images are corrupted by a multiplicative noise, the speckle, which makes high level analysis difficult. Within each resolution cell a number of elementary scatterers re...
Arnaud Ogier, Pierre Hellier, Christian Barillot
HVEI
2009
13 years 7 months ago
Color rendering indices in global illumination methods
Human perception of material colors depends heavily on the nature of the light sources that are used for illumination. One and the same object can cause highly different color impr...
David Geisler-Moroder, Arne Dür
WCNC
2008
IEEE
14 years 4 months ago
Mitigation of the Propagation of Localization Error Using Multi-Hop Bounding
Abstract—In ad hoc position-location networks, location information is obtained through the sequential estimation of node locations. An unlocalized node can estimate its location...
R. Michael Buehrer, Swaroop Venkatesh, Tao Jia
CDC
2008
IEEE
132views Control Systems» more  CDC 2008»
13 years 12 months ago
Global symplectic uncertainty propagation on SO(3)
Abstract-- This paper introduces a global uncertainty propagation scheme for the attitude dynamics of a rigid body, through a combination of numerical parametric uncertainty techni...
Taeyoung Lee, Melvin Leok, N. Harris McClamroch