نتایج جستجو برای: template effect
تعداد نتایج: 1683089 فیلتر نتایج به سال:
In this article, we provide a template for the practical implementation of the targeted maximum likelihood estimator for analyzing causal effects of multiple time point interventions, for which the methodology was developed and presented in Part I. In addition, the application of this template is demonstrated in two important estimation problems: estimation of the effect of individualized treat...
Chromothripsis is a newly discovered type of genomic rearrangement, characterized by locally clustered copy number aberrations. It has been proposed that it may arise during a single genome shattering event. It provides an alternative paradigm in cancer development, replacing the gradual accumulation of genomic changes with a one-off catastrophic event. However, the underlying mechanisms and it...
Robustness of feature tracking is really important to recognize facial expressions and movements of human in the natural state. This paper presents a technique for a robust facial feature tracking for the human facial videos. Our technique first detects particular feature points by template matching, and then tracks the points in moving images by optical flow estimation. At the same time, the t...
The critical steps leading to the uniqueness theorem for the Kerr-Newman metric are examined in the light of the new black hole solutions with Yang-Mills and scalar hair. Various methods – including scaling techniques, arguments based on energy conditions, conformal transformations and divergence identities – are reviewed, and their range of application to selfgravitating scalar and non-Abelian...
You can only control what you can measure. Measuring ontologies is necessary to evaluate ontologies both during engineering and application. Metrics allow the fast and simple assessment of an ontology and also to track their subsequent evolution. In the last few years, a growing number of ontology metrics and measures have been suggested and defined. But many of them suffer from a recurring set...
Category formation, grouping and read across methods are broadly applicable in toxicological assessments and may be used to fill data gaps for chemical safety assessment and regulatory decisions. In order to facilitate a transparent and systematic approach to aid regulatory acceptance, a strategy to evaluate chemical category membership, to support the use of read-across predictions that may be...
The mass of the top quark is measured in a data set corresponding to 4.6 fb −1 of proton–proton collisions with centre-of-mass energy √ s = 7 TeV collected by the ATLAS detector at the LHC. Events consistent with hadronic decays of top–antitop quark pairs with at least six jets in the final state are selected. The substantial background from mul-tijet production is modelled with data-driven met...
This paper describes our current research on how a robot, through observation of human demonstrations, can learn task level representations of human hand-work tasks. Representations proposed so far typically handle a human hand trajectory as it is or segment the entire task into a discrete pre-determined symbol sequence; but to make a generalized model of human hand-work tasks, both types of in...
We report direct observations of anomalous magnetic-field and temperature dependences of the Shubnikov–de Haas oscillations in the organic superconductor b9-(BEDT-TTF)2SF5CH2CF2SO3. Unlike other BEDT-TTF based organic superconductors, a nonmetallic temperature dependence of the background magnetoresistance is clearly observed. It is speculated that the nonmetallic behavior may arise from a part...
In this paper a new approach to task analysis, Task Pattern Analysis, is presented within the context of Human-Robot Interaction (HRI). Task Pattern Analysis is based on the observation that in many work tasks there are recurring patterns of activity, which only differ in the concepts that are affected. Furthermore, the tasks appear in different ways depending on the situational context. By app...
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