نتایج جستجو برای: روش rbf

تعداد نتایج: 374510  

2007
W. Ahmed D. M. Hummels M. T. Musavi

| This paper presents a fast orthogo-nalization process to train a Radial Basis Function (RBF) neural network. The traditional methods for connguring the RBF weights is to use some matrix inversion or iterative process. These traditional approaches are either time consuming or computationally expensive, and often do not converge to a solution. The goal of this paper is rst to use a fast orthogo...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2011
Alexandra Sporková Libor Kopkan Sárka Varcabová Zuzana Husková Sung Hee Hwang Bruce D Hammock John D Imig Herbert J Kramer Ludek Cervenka

Alterations in renal function contribute to Goldblatt two-kidney, one-clip (2K1C) hypertension. A previous study indicated that bioavailability of cytochrome P-450 metabolites epoxyeicosatrienoic acids (EETs) is decreased while that of 20-hydroxyeicosatetraenoic acids (20-HETE) is increased in this model. We utilized the inhibitor of soluble epoxide hydrolase cis-4-[4-(3-adamantan-1-yl-ureido)-...

2011
Alexandra Sporková Libor Kopkan Šárka Varcabová Zuzana Husková Sung Hee Hwang Bruce D. Hammock John D. Imig Herbert J. Kramer

Alterations in renal function contribute to Goldblatt 2-kidney 1-clip (2K1C) hypertension. A previous study indicated that bioavailability of cytochrome P450 metabolites epoxyeicosatrienoic acids (EETs) is decreased while 20hydroxyeicosatetraenoic acids (20-HETE) is increased in this model. We utilized the inhibitor of soluble epoxide hydrolase cis-4-[4-(3-Adamantan-1-yl-ureido)-cyclohexyloxy]b...

2017
Debora Weiss Carrie D. Tomasallo Jon G. Meiman Walter Alarcon Nathan M. Graber Kristine M. Bisgard Henry A. Anderson

An estimated 115,000 firearm injuries occur annually in the United States, and approximately 70% are nonfatal (1). Retained bullet fragments (RBFs) are an infrequently reported, but important, cause of lead toxicity; symptoms are often nonspecific and can appear years after suffering a gunshot wound (2,3). Adult blood lead level (BLL) screening is most commonly indicated for monitoring of occup...

Journal: :CoRR 2000
W. Chen

Very few studies involve how to construct the efficient RBFs by means of problem features. Recently the present author presented general solution RBF (GS-RBF) methodology to create operator-dependent RBFs successfully [1]. On the other hand, the normal radial basis function (RBF) is defined via Euclidean space distance function or the geodesic distance [2]. This purpose of this note is to redef...

2006
I. S. Lim K. A. Shore

Convolutional Radial Basis Function (RBF) networks are introduced for smoothing out irregularly sampled signals. Our proposed technique involves training a RBF network and then convolving it with a Gaussian smoothing kernel in an analytical manner. Since the convolution results in an analytic form, the computation necessary for numerical convolution is avoided. Convolutional RBF networks need t...

Journal: :Bit Numerical Mathematics 2023

Cubature formulas (CFs) based on radial basis functions (RBFs) have become an important tool for multivariate numerical integration of scattered data. Although numerous works been published such RBF-CFs, their stability theory can still be considered as underdeveloped. Here, we strive to pave the way towards a more mature RBF-CFs. In particular, prove RBF-CFs compactly supported RBFs under cert...

2011
Sutao Song Zhichao Zhan Zhiying Long Jiacai Zhang Li Yao

BACKGROUND Support vector machine (SVM) has been widely used as accurate and reliable method to decipher brain patterns from functional MRI (fMRI) data. Previous studies have not found a clear benefit for non-linear (polynomial kernel) SVM versus linear one. Here, a more effective non-linear SVM using radial basis function (RBF) kernel is compared with linear SVM. Different from traditional stu...

Journal: :The Journal of experimental biology 1998
C S Berger S C Malpas

A linear autoregressive/moving-average model was developed to describe the dynamic relationship between mean arterial pressure (MAP), renal sympathetic nerve activity (SNA) and renal blood flow (RBF) in conscious rabbits. The RBF and SNA to the same kidney were measured under resting conditions in a group of eight rabbits. Spectral analysis of the data sampled at 0.4 Hz showed that the low-pass...

Journal: :Investigative ophthalmology & visual science 2015
Takafumi Yoshioka Taiji Nagaoka Youngseok Song Harumasa Yokota Tomofumi Tani Akitoshi Yoshida

PURPOSE To investigate how neuronal nitric oxide synthase (nNOS) contributes to regulation of the retinal circulation during rest and flicker stimulation in cats. METHODS Using laser Doppler velocimetry, we measured the vessel diameter and blood velocity simultaneously and calculated the retinal blood flow (RBF) in feline first-order retinal arterioles. After intravitreal injections of Nω-Nit...

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