Medical Imaging Research Center, Department of Nuclear Medicine, KU Leuven, Belgium With the improving resolution of modern PET scanners, any slight motion during the scan can cause significant blurring and loss of resolution. MRI scanners have the capacity to perform quick successive scans and thus provide a means to track motion during a scan. Hence, with the advent of simultaneous PET-MR sca...

Effect of nonlinear thermal radiation on the unsteady magnetohydrodynamic slip flow of Casson fluid between parallel disks in the presence of thermophoresis and Brownian motion effects are investigated numerically. A similarity transformation is employed to reduce the governing partial differential equations into ordinary differential equations. Further, Runge-Kutta and Newton’s methods are ado...

Abstract: Aerodynamic admittance is a key parameter affecting the analysis accuracy of the bridge buffeting response. However, few articles have covered the issue of the wide-body flat box girder with much smaller depth-width ratio (such as 1/12 studied in this paper). Therefore, to explore the real buffeting force of the wide-body flat box girder, experiments of the static force coefficients a...

A human performs a variety of skillful movements by adjusting dynamic characteristics of his or her musculoskeletal system according to a task involved. Such characteristics of human movements can be described by mechanical impedance parameters. If the regulation mechanism of human impedance properties during the task can be clarified and modeled, there is a possibility that human skillful stra...

The method we propose simpli es the practical procedure for hand eye calibration Indeed no more calibration jig is needed and small calibration motions can be used Without calibration jig camera motions are computed up to an unknown scale factor through structure from motion algorithms rather than pose estimation This work was supported by the European Community through the Esprit IV reactive L...

We share the results of a preliminary experiment where participants performed a simple task in a control immersive virtual environment (IVE) followed by a stressful IVE. Participants’ gaits were recorded with a motion capture system. We computed speed, stride length, and stride width for each participant and found that participants take significantly shorter strides in the stressful environment...

This paper presents a simple and intuitive approach to determining the kinematic parameters of a serial-link robot in Denavit and Hartenberg notation. Once a manipulator’s kinematics is parameterized in this form a large body of standard algorithms and code implementations for kinematics, dynamics, motion planning and simulation are available. The proposed method has two parts. The first is the...

Physical changes such as leg length discrepancy, the addition of a mass at the distal end of the leg, the use of a prosthetic, and stroke frequently result in an asymmetric gait. This paper presents a metric that can potentially serve as a benchmark to categorize and differentiate between multiple asymmetric bipedal gaits. The combined gait asymmetry metric (CGAM) is based on modified Mahalanob...

Hermite processes are self–similar processes with stationary increments which appear as limits of normalized sums of random variables with long range dependence. The Hermite process of order 1 is fractional Brownian motion and the Hermite process of order 2 is the Rosenblatt process. We consider here the sum of two Hermite processes of order q ≥ 1 and q+1 and of different Hurst parameters. We t...

Recent research has produced results on subdivision in arbitrary manifolds. These results can be applied to the manifold of lines and thus we can create subdivision schemes especially for ruled surfaces. We present different methods for refining discrete models of ruled surfaces: An algorithm combining subdivision and projection to the manifold of lines in Euclidean three-space. A further algor...