Application of innovative risk early warning mode under big data technology in Internet credit financial risk assessment

G Du, Z Liu, H Lu - Journal of Computational and Applied Mathematics, 2021 - Elsevier
In the era of big data, it is aimed to use big data technology to form an effective early warning
and prevention of Internet credit. The BP neural network algorithm is applied to determine …

A survey of deep nonnegative matrix factorization

WS Chen, Q Zeng, B Pan - Neurocomputing, 2022 - Elsevier
Abstract Deep Nonnegative Matrix Factorization (Deep NMF) is an effective strategy for
feature extraction in recent years. By decomposing the matrix recurrently on account of the …

Deep non-negative matrix factorization architecture based on underlying basis images learning

Y Zhao, H Wang, J Pei - IEEE Transactions on Pattern Analysis …, 2019 - ieeexplore.ieee.org
The non-negative matrix factorization (NMF) algorithm represents the original image as a
linear combination of a set of basis images. This image representation method is in line with …

Optimization of backpropagation neural network under the adaptive genetic algorithm

J Zhang, S Qu - Complexity, 2021 - Wiley Online Library
This study is to explore the optimization of the adaptive genetic algorithm (AGA) in the
backpropagation (BP) neural network (BPNN), so as to expand the application of the BPNN …

Innovative risk early warning model under data mining approach in risk assessment of internet credit finance

M Lin - Computational Economics, 2022 - Springer
The financial risks of commercial banks are classified and evaluated through the Internet of
Things (IoT) technology and big data technology to reduce the financial risk loss of …

K-means clustering optimizing deep stacked sparse autoencoder

Y Bi, P Wang, X Guo, Z Wang, S Cheng - Sensing and Imaging, 2019 - Springer
Because of the large structure and long training time, the development cycle of the common
depth model is prolonged. How to speed up training is a problem deserving of study. In …

[PDF][PDF] An improvement of the nonlinear semi-NMF based method by considering bias vectors and regularization for deep neural networks

R Arai, A Imakura, T Sakurai - Int. J. Mach. Learn. Comput, 2018 - ijml.org
Backpropagation (BP) has been widely used as a de-facto standard algorithm to compute
weights for deep neural networks (DNNs). The BP method is based on a stochastic gradient …

An efficient ADMM-type algorithm for deep semi-nonnegative matrix factorization

Y Zhou, L Xu - Journal of Physics: Conference Series, 2020 - iopscience.iop.org
In this paper, we focus on deep semi-nonnegative matrix factorization (DSemiNMF) which
has a wider application in the real world than traditional NMF. We propose an efficient …

Accelerating the backpropagation algorithm by using NMF-Based method on deep neural networks

S Baek, A Imakura, T Sakurai, I Kataoka - Knowledge Management and …, 2021 - Springer
Backpropagation (BP) is the most widely used algorithm for the training of deep neural
networks (DNN) and is also considered a de facto standard algorithm. However, the BP …

[PDF][PDF] 行列分解を基盤としたディープニューラルネットワーク計算法(諸科学分野を結ぶ基礎学問としての数値解析学)

今倉暁, 櫻井鉄也 - 数理解析研究所講究録, 2020 - repository.kulib.kyoto-u.ac.jp
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