Now showing items 25111-25120 of 26478
Motion Aspects in Joint Image Reconstruction and Nonrigid Motion Estimation.
(2009)
Many medical imaging applications often require relatively long image acquisition times to form high-SNR images. However, long scan times can lead to motion artifacts. Conventional acquisition and reconstruction methods ...
Computation of Inviscid Compressible Flows About Arbitrary Geometries and Moving Boundaries.
(2008)
The computational simulation of aerodynamic flows with moving
boundaries has numerous scientific and practical motivations. In this
work, a new technique for computation of inviscid, compressible flows
about two-dimensional, ...
Perception Based Navigation for Underactuated Robots.
(2008)
Robot autonomous navigation is a very active field of robotics. In this thesis we propose a hierarchical approach to a class of underactuated robots by composing a collection of local controllers with well understood domains ...
Anatomically Inspired Scaffold Design Enhances Tissue Regeneration in Brain and Spinal Cord.
(2007)
Because traumatic damage to the central nervous system (CNS) has no clinical
cure, various reparative strategies are under scientific investigation. Current
literature in CNS regeneration focuses largely on three components: ...
Wafer-Level Packaging for Environment-Resistant Microinstruments.
(2009)
A generic wafer-level packaging technology for high-performance MEMS devices, operating under harsh external conditions is developed. This technology not only provides physical protection from the surroundings, but also ...
Kernel Methods for Classification with Irregularly Sampled and Contaminated Data.
(2011)
Design of a classifier consists of two stages: feature extraction and classifier learning. For a better performance, the nature, characteristics, or underlying structure of data should be taken into account in either of ...
Investigation of Solidification Defect Formation by Three-Dimensional Reconstruction of Dendritic Structures.
(2010)
Convective flow within the mushy zone of directionally solidified superalloys can result in the formation of freckles and misoriented grains. These defects signal not only a disruption in the columnar or single crystal ...
Microstructure and Creep Behavior of Mg-Al Alloys Containing Alkaline and Rare Earth Additions
(2008)
In the past few decades governmental regulation and consumer demands have lead the automotive companies towards vehicle lightweighting. Powertrain components offer significant potential for vehicle weight reductions. ...
Physics-Based Near-Earth Radiowave Propagation Modeling and Simulation.
(2009)
Both the efficacy and accuracy of existing algorithms for predicting radiowave coverage are often compromised for the region proximate to the ground surface where grazing incidence (and wave cancellation) occurs, surface ...
Molecular Dynamics Simulation of Phase and Structural Transitions in Model Lung Surfactant Mixtures.
(2010)
Lung surfactant (LS) is a complex mixture of lipids and proteins that reduces and regulates the surface tension in the lungs, thereby decreasing the work of breathing. A thorough understanding of LS function is critical ...