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Convolutional neural networks have become a popular research in the field of finger vein recognition because of their powerful image feature representation. However, most researchers focus on improving the performance of the network by…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Zhongxia Zhang , Mingwen Wang

The recent surge in Deep Learning (DL) research of the past decade has successfully provided solutions to many difficult problems. The field of quantitative analysis has been slowly adapting the new methods to its problems, but due to…

The precise estimate of remaining useful life (RUL) is vital for the prognostic analysis and predictive maintenance that can significantly reduce failure rate and maintenance costs. The degradation-related features extracted from the sensor…

Machine Learning · Computer Science 2022-02-23 Yuwen Qin , Ningbo Cai , Chen Gao , Yadong Zhang , Yonghong Cheng , Xin Chen

In this paper, we proposed a new lifetime distribution namely generalized weighted Lindley (GLW) distribution. The GLW distribution is a useful generalization of the weighted Lindley distribution, which accommodates increasing, decreasing,…

Statistics Theory · Mathematics 2016-07-20 P. L. Ramos , F. Louzada

Federated Graph Learning (FGL) enables multiple clients to jointly train powerful graph learning models, e.g., Graph Neural Networks (GNNs), without sharing their local graph data for graph-related downstream tasks, such as graph property…

Machine Learning · Computer Science 2025-02-24 Xingbo Fu , Zihan Chen , Yinhan He , Song Wang , Binchi Zhang , Chen Chen , Jundong Li

Carry Value Transformation (CVT) is a model of discrete dynamical system which is one special case of Integral Value Transformations (IVTs). Earlier in [5] it has been proved that sum of two non-negative integers is equal to the sum of…

Other Computer Science · Computer Science 2016-01-19 Jayanta Kumar Das , Pabitra Pal Choudhury , Sudhakar Sahoo

The reliable computation time (RCT, marked as Tc) when applying a double precision computation of a variable parameters logistic map (VPLM) is studied. First, using the method proposed, the reliable solutions for the logistic map are…

Chaotic Dynamics · Physics 2017-04-28 Wang Pengfei , Pan Xinnong

This paper develops an XVA (costs) analysis of centrally cleared trading, parallel to the one that has been developed in the last years for bilateral transactions. We introduce a dynamic framework that incorporates the sequence of…

Risk Management · Quantitative Finance 2017-02-06 Yannick Armenti , Stéphane Crépey

With the rapid increase in volume of time series medical data available through wearable devices, there is a need to employ automated algorithms to label data. Examples of labels include interventions, changes in activity (e.g. sleep) and…

Machine Learning · Computer Science 2015-06-16 Tingting Zhu , Nic Dunkley , Joachim Behar , David A. Clifton , Gari D. Clifford

In many fMRI studies, respiratory signals are unavailable or do not have acceptable quality. Consequently, the direct removal of low-frequency respiratory variations from BOLD signals is not possible. This study proposes a one-dimensional…

Signal Processing · Electrical Eng. & Systems 2023-07-12 Abdoljalil Addeh , Fernando Vega , Rebecca J Williams , Ali Golestani , G. Bruce Pike , M. Ethan MacDonald

Many complex engineering systems can be represented in a topological form, such as graphs. This paper utilizes a machine learning technique called Geometric Deep Learning (GDL) to aid designers with challenging, graph-centric design…

Computational Engineering, Finance, and Science · Computer Science 2023-08-07 Anthony Sirico , Daniel R. Herber

The generalized negative binomial distribution (GNB) is a new flexible family of discrete distributions that are mixed Poisson laws with the mixing generalized gamma (GG) distributions. This family of discrete distributions is very wide and…

Methodology · Statistics 2018-09-18 Andrey K. Gorshenin , Victor Yu. Korolev

Standard approaches to goal-conditioned reinforcement learning (GCRL) that rely on temporal-difference learning can be unstable and sample-inefficient due to bootstrapping. While recent work has explored contrastive and supervised…

Machine Learning · Computer Science 2026-04-21 Franki Nguimatsia Tiofack , Fabian Schramm , Théotime Le Hellard , Justin Carpentier

Battery life estimation is critical for optimizing battery performance and guaranteeing minimal degradation for better efficiency and reliability of battery-powered systems. The existing methods to predict the Remaining Useful Life(RUL) of…

Machine Learning · Computer Science 2024-08-15 Sakhinana Sagar Srinivas , Rajat Kumar Sarkar , Venkataramana Runkana

We consider a downlink multiuser visible light communications (VLC) network where users randomly change their location and vertical orientation. The non-orthogonal multiple access (NOMA) strategy is adopted to serve multiple users…

Information Theory · Computer Science 2019-02-27 Yavuz Yapici , Ismail Guvenc

Many machine learning algorithms require precise estimates of covariance matrices. The sample covariance matrix performs poorly in high-dimensional settings, which has stimulated the development of alternative methods, the majority based on…

Machine Learning · Statistics 2016-11-04 Daniel Bartz

Clustering customer chat data is vital for cloud providers handling multi service queries. Traditional methods struggle with overlapping concerns and create broad, static clusters that degrade over time. Reclustering disrupts continuity,…

Artificial Intelligence · Computer Science 2026-01-09 Priyaranjan Pattnayak , Sanchari Chowdhuri , Amit Agarwal , Hitesh Laxmichand Patel

Digital twin models allow us to continuously assess the possible risk of damage and failure of a complex system. Yet high-fidelity digital twin models can be computationally expensive, making quick-turnaround assessment challenging. Towards…

Numerical Analysis · Mathematics 2023-01-05 Dongjin Lee , Boris Kramer

We present a new approach to calculating time eigenvalues of the neutron transport operator (also known as $\alpha$ eigenvalues) by extending the dynamic mode decomposition (DMD) to allow for non-uniform time steps. The new method, called…

Computational Physics · Physics 2022-08-24 Ethan Smith , Ilham Variansyah , Ryan McClarren

Accurate forecasting of solar power generation with fine temporal and spatial resolution is vital for the operation of the power grid. However, state-of-the-art approaches that combine machine learning with numerical weather predictions…

Machine Learning · Computer Science 2021-11-09 Jelena Simeunović , Baptiste Schubnel , Pierre-Jean Alet , Rafael E. Carrillo