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We present a novel deep learning method for estimating time-dependent parameters in Markov processes through discrete sampling. Departing from conventional machine learning, our approach reframes parameter approximation as an optimization…

This paper presents a comparison of several Convolutional Neural Network (CNN) models for extracting target signals in highly noisy measurement conditions. Four CNN architectures were investigated. The first comprises six consecutive…

信号处理 · 电气工程与系统科学 2024-10-11 Andrea Faúndez Quezada , Salvatore La Cavera , Sidahmed A Abayzeed

Due to the dynamics of underlying physics and external influences, the uncertainty of time series often varies over time. However, existing Denoising Diffusion Probabilistic Models (DDPMs) often fail to capture this non-stationary nature,…

机器学习 · 计算机科学 2026-04-14 Weiwei Ye , Zhuopeng Xu , Ning Gui

Convolutional neural network (CNN) inference on mobile devices demands efficient hardware acceleration of low-precision (INT8) general matrix multiplication (GEMM). The systolic array (SA) is a pipelined 2D array of processing elements…

分布式、并行与集群计算 · 计算机科学 2020-05-19 Zhi-Gang Liu , Paul N. Whatmough , Matthew Mattina

Effective channel estimation CE is critical for optimizing the performance of 5G New Radio NR systems particularly in dynamic environments where traditional methods struggle with complexity and adaptability This paper introduces GraphNet a…

信号处理 · 电气工程与系统科学 2025-07-15 Sajedeh Norouzi , Mostafa Rahmani , Yi Chu , Torsten Braun , Kaushik Chowdhury , Alister Burr

Environmental sound classification (ESC) has gained significant attention due to its diverse applications in smart city monitoring, fault detection, acoustic surveillance, and manufacturing quality control. To enhance CNN performance,…

音频与语音处理 · 电气工程与系统科学 2026-02-25 Parinaz Binandeh Dehaghania , Danilo Penab , A. Pedro Aguiar

In this paper, the successive approximation method is applied to investigate the existence and uniqueness of solutions to the stochastic differential equations (SDEs) driven by L\'evy noise under non-Lipschitz condition which is a much…

动力系统 · 数学 2014-05-15 Y Xu , B Pei

Stock market is often important as it represents the ownership claims on businesses. Without sufficient stocks, a company cannot perform well in finance. Predicting a stock market performance of a company is nearly hard because every time…

统计金融 · 定量金融 2023-05-25 Aadhitya A , Rajapriya R , Vineetha R S , Anurag M Bagde

The Convolution Neural Network (CNN) has demonstrated the unique advantage in audio, image and text learning; recently it has also challenged Recurrent Neural Networks (RNNs) with long short-term memory cells (LSTM) in sequence-to-sequence…

计算与语言 · 计算机科学 2017-12-29 Qiming Chen , Ren Wu

A neural network architecture is presented that exploits the multilevel properties of high-dimensional parameter-dependent partial differential equations, enabling an efficient approximation of parameter-to-solution maps, rivaling…

机器学习 · 计算机科学 2024-08-21 Janina Enrica Schütte , Martin Eigel

Diabetes remains a significant health challenge globally, contributing to severe complications like kidney disease, vision loss, and heart issues. The application of machine learning (ML) in healthcare enables efficient and accurate disease…

机器学习 · 计算机科学 2025-05-13 Mahade Hasan , Farhana Yasmin

For the weakly supervised task of electrocardiogram (ECG) rhythm classification, convolutional neural networks (CNNs) and long short-term memory (LSTM) networks are two increasingly popular classification models. This work investigates…

机器学习 · 计算机科学 2019-12-03 Nora Vogt

Uncertainty quantification is a fundamental yet unsolved problem for deep learning. The Bayesian framework provides a principled way of uncertainty estimation but is often not scalable to modern deep neural nets (DNNs) that have a large…

机器学习 · 计算机科学 2020-08-25 Lingkai Kong , Jimeng Sun , Chao Zhang

Unnormalised latent variable models are a broad and flexible class of statistical models. However, learning their parameters from data is intractable, and few estimation techniques are currently available for such models. To increase the…

机器学习 · 统计学 2019-02-26 Benjamin Rhodes , Michael Gutmann

Many real-life dynamical systems change abruptly followed by almost stationary periods. In this paper, we consider streams of data with such abrupt behavior and investigate the problem of tracking their statistical properties in an online…

统计方法学 · 统计学 2019-01-16 Hugo Lewi Hammer , Anis Yazidi

For EEG-based drowsiness recognition, it is desirable to use subject-independent recognition since conducting calibration on each subject is time-consuming. In this paper, we propose a novel Convolutional Neural Network (CNN)-Long…

神经与进化计算 · 计算机科学 2021-12-22 Jian Cui , Zirui Lan , Tianhu Zheng , Yisi Liu , Olga Sourina , Lipo Wang , Wolfgang Müller-Wittig

We consider stochastic differential equations (SDEs) driven by small L\'evy noise with some unknown parameters, and propose a new type of least squares estimators based on discrete samples from the SDEs. To approximate the increments of a…

统计理论 · 数学 2022-07-11 Mitsuki Kobayashi , Yasutaka Shimizu

Recently, Convolutional Neural Network (CNN) and Long short-term memory (LSTM) based models have been introduced to deep learning-based target speaker separation. In this paper, we propose an Attention-based neural network (Atss-Net) in the…

音频与语音处理 · 电气工程与系统科学 2020-05-20 Tingle Li , Qingjian Lin , Yuanyuan Bao , Ming Li

Neural differential equations predict the derivative of a stochastic process. This allows irregular forecasting with arbitrary time-steps. However, the expressive temporal flexibility often comes with a high sensitivity to noise. In…

机器学习 · 计算机科学 2023-02-07 Stav Belogolovsky , Ido Greenberg , Danny Eitan , Shie Mannor

Text segmentation plays an important role in various Natural Language Processing (NLP) tasks like summarization, context understanding, document indexing and document noise removal. Previous methods for this task require manual feature…

机器学习 · 计算机科学 2018-08-30 Pinkesh Badjatiya , Litton J Kurisinkel , Manish Gupta , Vasudeva Varma