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Purpose: To develop and assess a deep learning (DL) pipeline to learn dynamic MR image reconstruction from publicly available natural videos (Inter4K). Materials and Methods: Learning was performed for a range of DL architectures (VarNet,…

Deep Neural Networks (DNNs) are powerful tools for various computer vision tasks, yet they often struggle with reliable uncertainty quantification - a critical requirement for real-world applications. Bayesian Neural Networks (BNN) are…

机器学习 · 计算机科学 2023-12-27 Gianni Franchi , Olivier Laurent , Maxence Leguéry , Andrei Bursuc , Andrea Pilzer , Angela Yao

This paper proposes a new extension to Deep Evolutionary Network Structured Evolution (DENSER), called Fast-DENSER++ (F-DENSER++). The vast majority of NeuroEvolution methods that optimise Deep Artificial Neural Networks (DANNs) only…

神经与进化计算 · 计算机科学 2019-05-09 Filipe Assunção , Nuno Lourenço , Penousal Machado , Bernardete Ribeiro

Deep Neural Networks (DNNs) are prone to overfitting and hence have high variance. Overfitted networks do not perform well for a new data instance. So instead of using a single DNN as classifier we propose an ensemble of seven independent…

机器学习 · 计算机科学 2021-05-11 Anmol Jain , Aishwary Kumar , Seba Susan

The paper presents a spatio-temporal wind speed forecasting algorithm using Deep Learning (DL)and in particular, Recurrent Neural Networks(RNNs). Motivated by recent advances in renewable energy integration and smart grids, we apply our…

机器学习 · 计算机科学 2017-07-27 Amir Ghaderi , Borhan M. Sanandaji , Faezeh Ghaderi

We study the performance of stochastically trained deep neural networks (DNNs) whose synaptic weights are implemented using emerging memristive devices that exhibit limited dynamic range, resolution, and variability in their programming…

机器学习 · 统计学 2017-11-13 Anakha V Babu , Bipin Rajendran

The Learning Rate (LR) has a high impact on deep learning training performance. A common practice is to train a Deep Neural Network (DNN) multiple times with different LR policies to find the optimal LR policy, which has been widely…

机器学习 · 计算机科学 2024-10-11 Hongpeng Jin , Yanzhao Wu

Prediction and control of chemical mixing are vital for many scientific areas such as subsurface reactive transport, climate modeling, combustion, epidemiology, and pharmacology. Due to the complex nature of mixing in heterogeneous and…

机器学习 · 计算机科学 2021-12-15 N. V. Jagtap , M. K. Mudunuru , K. B. Nakshatrala

Uncertainty quantification in deep-learning (DL) based image reconstruction models is critical for reliable clinical decision making based on the reconstructed images. We introduce "NPB-REC", a non-parametric fully Bayesian framework for…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Samah Khawaled , Moti Freiman

Image classification with neural networks (NNs) is widely used in industrial processes, situations where the model likely encounters unknown objects during deployment, i.e., out-of-distribution (OOD) data. Worryingly, NNs tend to make…

机器学习 · 计算机科学 2025-01-14 Arthur Thuy , Dries F. Benoit

This research addresses the challenge of characterizing the complexity and unpredictability of basins within various dynamical systems. The main focus is on demonstrating the efficiency of convolutional neural networks (CNNs) in this field.…

机器学习 · 计算机科学 2024-06-18 David Valle , Alexandre Wagemakers , Miguel A. F. Sanjuán

Deep learning models have become pivotal in the field of video processing and is increasingly critical in practical applications such as autonomous driving and object detection. Although Vision Transformers (ViTs) have demonstrated their…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Kunyun Wang , Shuo Yang , Jieru Zhao , Wenchao Ding , Quan Chen , Jingwen Leng , Minyi Guo

Neural networks are very effective when trained on large datasets for a large number of iterations. However, when they are trained on non-stationary streams of data and in an online fashion, their performance is reduced (1) by the online…

机器学习 · 计算机科学 2023-07-04 Albin Soutif--Cormerais , Antonio Carta , Joost Van de Weijer

First-come first-serve scheduling can result in substantial (up to 10%) of transiently idle nodes on supercomputers. Recognizing that such unfilled nodes are well-suited for deep neural network (DNN) training, due to the flexible nature of…

分布式、并行与集群计算 · 计算机科学 2024-04-25 Xiaolong Ma , Feng Yan , Lei Yang , Ian Foster , Michael E. Papka , Zhengchun Liu , Rajkumar Kettimuthu

Existing methods for estimating uncertainty in deep learning tend to require multiple forward passes, making them unsuitable for applications where computational resources are limited. To solve this, we perform probabilistic reasoning over…

Convolutional neural networks (CNNs) are increasingly being used to automate the segmentation of brain structures in magnetic resonance (MR) images for research studies. In other applications, CNN models have been shown to exhibit bias…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Stefanos Ioannou , Hana Chockler , Alexander Hammers , Andrew P. King

Deep Learning (DL) methods have emerged as one of the most powerful tools for functional approximation and prediction. While the representation properties of DL have been well studied, uncertainty quantification remains challenging and…

机器学习 · 统计学 2022-10-25 Yuexi Wang , Nicholas G. Polson , Vadim O. Sokolov

Machine/deep-learning (ML/DL) based techniques are emerging as a driving force behind many cutting-edge technologies, achieving high accuracy on computer vision workloads such as image classification and object detection. However, training…

Deep learning (DL) techniques have achieved great success in predictive accuracy in a variety of tasks, but deep neural networks (DNNs) are shown to produce highly overconfident scores for even abnormal samples. Well-defined uncertainty…

机器学习 · 计算机科学 2021-07-26 Yufei Li , Simin Chen , Wei Yang

The increasing penetration of distributed energy resources (DERs) will decrease the rotational inertia of the power system and further degrade the system frequency stability. To address the above issues, this paper leverages the advanced…

系统与控制 · 电气工程与系统科学 2023-04-24 Linwei Sang , Yinliang Xu , Zhongkai Yi , Lun Yang , Huan Long , Hongbin Sun