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Compressed Image Super-resolution has achieved great attention in recent years, where images are degraded with compression artifacts and low-resolution artifacts. Since the complex hybrid distortions, it is hard to restore the distorted…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Bingchen Li , Xin Li , Yiting Lu , Sen Liu , Ruoyu Feng , Zhibo Chen

Deep learning method has attracted tremendous attention to handle fluid dynamics in recent years. However, the deep learning method requires much data to guarantee the generalization ability and the data of fluid dynamics are deficient.…

流体动力学 · 物理学 2021-11-18 Guang-Tao Zhang , Chen Cheng , Shu-dong Liu , Yang Chen , Yong-Zheng Li

We introduce the State Stream Transformer (SST), a novel LLM architecture that reveals emergent reasoning behaviours and capabilities latent in pretrained weights through addressing a fundamental limitation in traditional transformer…

机器学习 · 计算机科学 2025-01-31 Thea Aviss

In the present paper a new data-driven model is proposed to close and increase accuracy of RANS equations. The divergence of the Reynolds Stress Tensor (RST) is obtained through a Neural Network (NN) whose architecture and input choice…

流体动力学 · 物理学 2022-10-19 Stefano Berrone , Davide Oberto

We studied the reconstruction of turbulent flow fields from trajectory data recorded by actively migrating Lagrangian agents. We propose a deep-learning model, track-to-flow (T2F), which employs a vision transformer as the encoder to…

流体动力学 · 物理学 2026-01-15 Hua-Lin Wu , Ao Xu , Heng-Dong Xi

Physics-informed neural networks (PINNs) have recently emerged as a promising alternative for extracting unknown quantities from experimental data. Despite this potential, much of the recent literature has relied on sparse, high-fidelity…

流体动力学 · 物理学 2026-01-09 Christian Toma , Bharathram Ganapathisubramani , Sean Symon

This work addresses the Burst Super-Resolution (BurstSR) task using a new architecture, which requires restoring a high-quality image from a sequence of noisy, misaligned, and low-resolution RAW bursts. To overcome the challenges in…

计算机视觉与模式识别 · 计算机科学 2022-04-25 Ziwei Luo , Youwei Li , Shen Cheng , Lei Yu , Qi Wu , Zhihong Wen , Haoqiang Fan , Jian Sun , Shuaicheng Liu

Compression plays an important role on the efficient transmission and storage of images and videos through band-limited systems such as streaming services, virtual reality or videogames. However, compression unavoidably leads to artifacts…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Marcos V. Conde , Ui-Jin Choi , Maxime Burchi , Radu Timofte

The precise simulation of turbulent flows holds immense significance across various scientific and engineering domains, including climate science, freshwater science, and energy-efficient manufacturing. Within the realm of simulating…

流体动力学 · 物理学 2024-12-31 Shengyu Chen , Peyman Givi , Can Zheng , Xiaowei Jia

Semantic communications (SCs) play a central role in shaping the future of the sixth generation (6G) wireless systems, which leverage rapid advances in deep learning (DL). In this regard, end-to-end optimized DL-based joint source-channel…

信息论 · 计算机科学 2025-05-02 Mahmoud M. Salim , Mohamed S. Abdalzaher , Ali H. Muqaibel , Hussein A. Elsayed , Inkyu Lee

This work investigates transfer learning strategies to accelerate deep reinforcement learning (DRL) for multifidelity control of chaotic fluid flows. Progressive neural networks (PNNs), a modular architecture designed to preserve and reuse…

机器学习 · 计算机科学 2025-10-21 Saeed Salehi

The weights of a deep neural network model are optimized in conjunction with the governing flow equations to provide a model for sub-grid-scale stresses in a temporally developing plane turbulent jet at Reynolds number $Re_0=6\,000$. The…

流体动力学 · 物理学 2023-03-23 Jonathan F. MacArt , Justin Sirignano , Jonathan B. Freund

The use of pretrained backbones with fine-tuning has been successful for 2D vision and natural language processing tasks, showing advantages over task-specific networks. In this work, we introduce a pretrained 3D backbone, called {\SST},…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Yu-Qi Yang , Yu-Xiao Guo , Jian-Yu Xiong , Yang Liu , Hao Pan , Peng-Shuai Wang , Xin Tong , Baining Guo

We introduce a reinforcement learning (RL) environment to design and benchmark control strategies aimed at reducing drag in turbulent fluid flows enclosed in a channel. The environment provides a framework for computationally-efficient,…

流体动力学 · 物理学 2023-02-09 L. Guastoni , J. Rabault , P. Schlatter , H. Azizpour , R. Vinuesa

We present an efficient deep learning technique for the model reduction of the Navier-Stokes equations for unsteady flow problems. The proposed technique relies on the Convolutional Neural Network (CNN) and the stochastic gradient descent…

流体动力学 · 物理学 2018-08-16 Tharindu P. Miyanawala , Rajeev K. Jaiman

In this study, we proposed a deep Swin-Vision Transformer-based transfer learning architecture for robust multi-cancer histopathological image classification. The proposed framework integrates a hierarchical Swin Transformer with…

图像与视频处理 · 电气工程与系统科学 2026-04-13 Muazzem Hussain Khan , Tasdid Hasnain , Md. Jamil khan , Ruhul Amin , Md. Shamim Reza , Md. Al Mehedi Hasan , Md Ashad Alam

With the growing size and complexity of turbulent flow models, data compression approaches are of the utmost importance to analyze, visualize, or restart the simulations. Recently, in-situ autoencoder-based compression approaches have been…

流体动力学 · 物理学 2022-10-18 Alberto Olmo , Ahmed Zamzam , Andrew Glaws , Ryan King

Multivariate time series classification is of great importance in practical applications and is a challenging task. However, deep neural network models such as Transformers exhibit high accuracy in multivariate time series classification…

机器学习 · 计算机科学 2024-11-19 Mingsen Du , Yanxuan Wei , Yingxia Tang , Xiangwei Zheng , Shoushui Wei , Cun Ji

As a surrogate for computationally intensive meso-scale simulation of woven composites, this article presents Recurrent Neural Network (RNN) models. Leveraging the power of transfer learning, the initialization challenges and sparse data…

材料科学 · 物理学 2024-07-08 Ehsan Ghane , Martin Fagerström , Mohsen Mirkhalaf

Direct numerical simulation (DNS) of turbulent flows is computationally expensive and cannot be applied to flows with large Reynolds numbers. Large eddy simulation (LES) is an alternative that is computationally less demanding, but is…

流体动力学 · 物理学 2021-09-09 Shengyu Chen , Shervin Sammak , Peyman Givi , Joseph P. Yurko1 , Xiaowei Jia