نتایج جستجو برای: Multilayer construct

تعداد نتایج: 152359  

Background: Monolayer electrospun scaffolds have already been used in bone tissue engineering due to their high surface-to-volume ratio, interconnectivity, similarity to natural bone extracellular matrix (ECM), and simple production. Objectives: The aim of this study was to evaluate the dynamic culture effect on osteogenic differentiation and mineralizationi into a compact cellular multilayer ...

Journal: :Frontiers in Bioengineering and Biotechnology 2020

1995
Chun-Hsien Chen R. G. Parekh J. Yang Karthik Balakrishnan Vasant Honavar

Constructive learning algorithms o er an approach to incremental construction of near-minimal arti cial neural networks for pattern classi cation. Examples of such algorithms include Tower, Pyramid, Upstart, and Tiling algorithms which construct multilayer networks of threshold logic units (or, multilayer perceptrons). These algorithms di er in terms of the topology of the networks that they co...

Journal: :J. Complex Networks 2014
Mikko Kivelä Alexandre Arenas Marc Barthelemy James P. Gleeson Yamir Moreno Mason A. Porter

In most natural and engineered systems, a set of entities interact with each other in complicated patterns that can encompass multiple types of relationships, change in time and include other types of complications. Such systems include multiple subsystems and layers of connectivity, and it is important to take such ‘multilayer’ features into account to try to improve our understanding of compl...

2000
Hiroyuki TAKIZAWA Taira NAKAJIMA Hiroaki KOBAYASHI Tadao NAKAMURA

A multilayer perceptron is usually considered a passive learner that only receives given training data. However, if a multilayer perceptron actively gathers training data that resolve its uncertainty about a problem being learnt, sufficiently accurate classification is attained with fewer training data. Recently, such active learning has been receiving an increasing interest. In this paper, we ...

Journal: :Pattern Recognition Letters 1989
Stephen P. Luttrell

A property of neural networks is their ability to construct feature detectors as a result of supervised or unsupervised training. We demonstrate that a class of neural networks which produces topographic mappings [1] may be used to data compress SAR images. In Section II we summarise Kohonen's network learning algorithm, and we present an improved version of the algorithm in Section III. In Sec...

Journal: :ACS nano 2012
Carlos Diaz-Pinto Debtanu De Viktor G Hadjiev Haibing Peng

We report the synthesis of AB-stacked multilayer graphene via ambient pressure chemical vapor deposition on Cu foils and demonstrate a method to construct suspended multilayer graphene devices. In four-terminal geometry, such devices were characterized by hot carrier transport at temperatures down to 240 mK and in magnetic fields up to 14 T. The differential conductance (dI/dV) shows a characte...

2009
SHOUKAT ULLAH

The Feedforward Multilayer Perceptrons network is a widely used model in Artificial Neural Network using the backpropagation algorithm for real world data. There are two common ways to construct Feedforward Multilayer Perceptrons network, that is, either taking a large network and then pruning away the irrelevant nodes or starting from a small network and then adding new relevant nodes. An Arti...

Journal: :J. Symb. Log. 2008
Stefan Geschke Saharon Shelah

This article is devoted to two different generalizations of projective Boolean algebras: openly generated Boolean algebras and tightly σ-filtered Boolean algebras. We show that for every uncountable regular cardinal κ there are 2 pairwise non-isomorphic openly generated Boolean algebras of size κ > א1 provided there is an almost free non-free abelian group of size κ. The openly generated Boolea...

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