نتایج جستجو برای: drf

تعداد نتایج: 359  

Journal: :Computational & Applied Mathematics 2022

In the realm of linking networks to real world, connectivity (strength connectedness) plays a crucial role. this article, we introduce three types vertices based on indegree and outdegree directed rough fuzzy (DRFNs). We also define concept strength-reducing sets ( $$\mathcal {SRS}s$$ ) DRF-vertices, DRF-edges, important related results using strongest path in graphs (DRFGs). generalize idea Me...

2014
Dalia De Ita-Pérez Isabel Méndez Olivia Vázquez-Martínez Mónica Villalobos-Leal Mauricio Díaz-Muñoz

Daytime restricted feeding (DRF) is an experimental protocol that influences the circadian timing system and underlies the expression of a biological clock known as the food entrained oscillator (FEO). Liver is the organ that reacts most rapidly to food restriction by adjusting the functional relationship between the molecular circadian clock and the metabolic networks. γ-Aminobutyric acid (GAB...

Journal: :J. Comput. Meth. in Science and Engineering 2004
Marcel Swart Jaap G. Snijders Piet Th. van Duijnen

Over the last couple of years, it has been shown that Time Dependent Density Functional Theory (TD-DFT) is able to predict accurately and efficiently the polarizability of molecules, when using appropriate exchange-correlation potentials and (large) basis sets. In a previous paper, we compared the accuracy of the predicted mean polarizabilities of 15 organic molecules with experiment, and with ...

2015
Li Xue Tie Chong Qi Chen Hecheng Li Peng Zhang Zhenlong Wang Ziming Wang

The purpose of this study is to assess functional and morphologic recovery in children after dismembered pyeloplasty for GH caused by UPJO of children. From Jan 2005 to Dec 2010, 38 pediatric patients with GH who underwent dismembered pyeloplasty performed by a single surgeon were retrospectively analyzed. Patient follow-up was at least 3 years. The outcomes of different types of UPJO were comp...

Journal: :Ultrasound in medicine & biology 2015
Andreas Hjelm Brandt Martin Christian Hemmsen Peter Møller Hansen Signe Sloth Madsen Paul Suno Krohn Theis Lange Kristoffer Lindskov Hansen Jørgen Arendt Jensen Michael Bachmann Nielsen

The purpose of the study was to perform a clinical comparison of synthetic aperture sequential beamforming tissue harmonic imaging (SASB-THI) sequences with a conventional imaging technique, dynamic receive focusing with THI (DRF-THI). Both techniques used pulse inversion and were recorded interleaved using a commercial ultrasound system (UltraView 800, BK Medical, Herlev, Denmark). Thirty-one ...

2014
Tim Dawborn James R. Curran

Modelling linguistic phenomena requires highly structured and complex data representations. Document representation frameworks (DRFs) provide an interface to store and retrieve multiple annotation layers over a document. Researchers face a difficult choice: using a heavy-weight DRF or implement a custom DRF. The cost is substantial, either learning a new complex system, or continually adding fe...

1998
Z. Li

As a potential offsetting agent to the greenhouse effect, aerosols are receiving increasing attention in the atmospheric science community. Notwithstanding, our knowledge of the impact of aerosols on radiation and climate is rather poor and falls well behind that of the greenhouse effect (IPCC 1995). Direct radiative forcing (DRF) of aerosols is an important climatic parameter measuring the inf...

2013
B. Gomathy S. M. Ramesh

A challenging research problem for researchers is predicting heart problem, breast cancer, tumor, and the most daunting diseases. Current research in this area is struggling to provide accurate and better solution for the prediction of such deadly diseases. In this paper, Discriminative Rule Framing (DRF) algorithm is proposed to analyze and predict the survivability of disease in a patient. As...

2011
Chen Chen Weijun Li Liang Chen

Biomimetics is a rapidly developing discipline and has been suggested applicable in machine vision and image processing because human vision system has almost evolved to be perfect. Previously proposed BA+DRF method is a biomimetic image processing method which improves images quality effectively on the basis of the brightness adaption and disinhibitory properties of concentric receptive field ...

2009
Songfeng Zheng

This paper develops the probabilistic version of cascade algorithm, specifically, Probabilistic AdaBoost Cascade (PABC). The proposed PABC algorithm is further employed to learn the association potential in the Discriminative Random Fields (DRF) model, resulting the Probabilistic Cascade Random Fields (PCRF) model. PCRF model enjoys the advantage of incorporating far more informative features t...

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