For view-dependent visualization, adaptively refined volumetric meshes are used to adapt resolution to given error constraints. A mesh hierarchy based on the -subdivision scheme produces structured grids with highest adaptivity. Downsampling filters reduce aliasing effects and lead to higher-quality data representation (in terms of lower approximation error) at coarser levels of resolution. We ...

Peri-personal space (PPS) is defined as the space immediately surrounding our bodies, which is critical in the adaptation of our social behavior. As a space of interaction with the external world, PPS is involved in the control of motor action as well as in the protection of the body. The boundaries of this PPS are known to be flexible but so far, little is known about how PPS boundaries are in...

The simplest Bayesian adaptive randomization scheme is to randomize patients to a treatment with probability equal to the probability p that the treatment is better. We examine three variations on adaptive randomization which are used to compromise between this scheme and equal randomization. The first variation is to apply a power transformation to p to obtain randomization probabilities. The ...

In this work, we study the so-called leakage minimization problem, within the context of interference alignment (IA). For that purpose, we propose a novel approach based on adaptively controlled perturbations of the leakage function, and show how the latter can be used as a mechanism to control the algorithm’s convergence (and thus tradeoff convergence speed for reliability). Although the propo...

The two-way layout with ordinal or nominal factors is a fundamental data-type that is widespread in the sciences, engineering, and informatics. The unrestricted least squares estimator for the means of a two-way layout is usually inadmissible under quadratic loss and the model of homoscedastic independent Gaussian errors. In statistical practice, this least squares estimator may be modified by ...

During the course of a fixed sample size clinical trial, differences in the size of the treatment effect between strata may become pronounced. If rejecting the null hypothesis of no treatment effect is of paramount concern, it may make sense to increase representation of the more responsive stratum to increase power of the trial. Additionally, strata in which treatment is harmful may need to be...

Many models used in real-time graphics applications are generated automatically using techniques such as laser-range scanning. The resultant meshes typically contain one or more orders of magnitude more polygons than can be displayed by today’s graphics hardware. Numerous methods have been proposed for automatically creating level-of-detail (LOD) meshes from large input meshes. These techniques...

The wealth of information generated by users interacting with the network and its applications is often underutilized due to complications in accessing heterogeneous and dynamic data and in retrieving relevant information from sources having possibly unknown formats and structures. Processing complex requests on such information sources is, thus, costly, though not guaranteeing user satisfactio...

Adaptively Restrained Molecular Dynamics (ARMD) is a recently introduced particles simulation method that switches positional degrees of freedom on and off during simulation in order to speed up calculations. In the NVE ensemble, ARMD allows users to trade between precision and speed while, in the NVT ensemble, it makes it possible to compute statistical averages faster. Despite the conceptual ...