Results 21 to 30 of about 217,698 (308)

REAP-2: An interactive quantitative tool for robust and efficient dose-response curve estimation

Journal of Clinical and Translational Science, 2023
REAP-2 is an interactive dose-response curve estimation tool for Robust and Efficient Assessment of drug Potency. It provides user-friendly dose-response curve estimation for in vitro studies and conducts statistical testing for model comparisons with a ...
Xinying Fang, Xinyi Liu, Vernon M. Chinchilli, Michael Wang, Hong-Gang Wang, Nikolay V. Dokholyan, Chan Shen, J. Jack Lee, Shouhao Zhou   +8 more
doaj   +1 more source

Approximation by Superpositions of a Sigmoidal Function

Zeitschrift für Analysis und ihre Anwendungen, 2003
We generalize a result of B. Gao and Y. Xu [J. Math. Anal. Appl. 178 (1993) 221–226] concerning the approximation of functions of bounded variation by linear combinations of a fixed sigmoidal function to the class of functions of bounded f-variation. Also, in the case of one variable, a proposition of A. R. Barron [IEEE Trans. Inf. Theory 36 (1993) 930–
LEWICKI G, MARINO, Giuseppe
openaire   +4 more sources

Making Risk Minimization Tolerant to Label Noise [PDF]

, 2015
In many applications, the training data, from which one needs to learn a classifier, is corrupted with label noise. Many standard algorithms such as SVM perform poorly in presence of label noise.
Ghosh, Aritra, Manwani, Naresh, Sastry, P. S.   +2 more
core   +1 more source

Construction of Meyer Wavelet Using Fully Smooth Sigmiod Function

Journal of Harbin University of Science and Technology, 2019
In order to obtain better smooth effect in signal or image reconstruction, the regularity or continuous differentiability of wavelet must be increased as much as possible.
SHAO Yun-hong, DENG Cai-xia, HE Peng
doaj   +1 more source

Sigmoid Function based Modelling and Route Tracking of Obstacle avoidance for Ship in Restricted Water

MATEC Web of Conferences, 2018
In order to solve the problem of obstacle avoidance of ship in restricted waters, a type of path planning method for obstacle avoidance based on sigmoid function was designed.
Zhao Yue, Wang Renqiang, Sun Jianming, Liu Changhua, Li Jingdong, Chen Dawei   +5 more
doaj   +1 more source

A Robust Polarmetric SAR Terrain Classification Based on Sparse Deep Autoencoder Model Combined With Wavelet Kernel-Based Classifier

IEEE Access, 2020
Since the existing terrain classification algorithm based on deep learning is not ideal for unbalanced PolSAR classification, a effective terrain classification algorithm based on wavelet kernel sparse deep coding network under unbalanced data set is ...
Xiangdong Chen, Jianghong Deng
doaj   +1 more source

Management of a Case of Colovesical Fistula with Fecaluria as First Sign [PDF]

, 2015
Introduction. Fecaluria and pneumaturia are the patognomonic signs of an abnormal communication between the bladder and the intestinal tract. Therefore, when a history of digestive signs, symptoms or digestive diseases is missing, this borderline ...
Andresanu, A., Baston, C., Brasoveanu, V., Crasneanu, M., Dick, A., Domnisor, L., Gingu, C., Ianiotescu, I., Martiniuc, A., Sinescu, I.   +9 more
core   +2 more sources

Approximation of functions of finite variation by superpositions of a Sigmoidal function

Applied Mathematics Letters, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
MARINO, Giuseppe, LEWICKI G.
openaire   +4 more sources

Local Sigmoid Method: Non-Iterative Deterministic Learning Algorithm for Automatic Model Construction of Neural Network

IEEE Access, 2020
A non-iterative learning algorithm for artificial neural networks is an alternative to optimize the neural network parameters with extremely fast convergence time.
Syukron Abu Ishaq Alfarozi, Kitsuchart Pasupa, Masanori Sugimoto, Kuntpong Woraratpanya   +3 more
doaj   +1 more source

Sigmoid functions for the smooth approximation to the absolute value function [PDF]

Moroccan Journal of Pure and Applied Analysis, 2020
Abstract We present smooth approximations to the absolute value function |x| using sigmoid functions. In particular, x erf(x/μ) is proved to be a better smooth approximation for |x| than x tanh(x/μ) and
Bagul Yogesh J., Chesneau Christophe
openaire   +2 more sources