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In this paper, we attempt to employ convolutional recurrent neural networks for weather temperature estimation using only image data. We study ambient temperature estimation based on deep neural networks in two scenarios a) estimating…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Wei-Ta Chu , Kai-Chia Ho , Ali Borji

Deep learning provides a versatile suite of methods for extracting structured information from complex datasets, enabling deeper understanding of underlying fluid dynamic phenomena. The field of turbulence modeling, in particular, benefits…

机器学习 · 计算机科学 2025-07-31 Anuraj Maurya

Infrared images captured under turbulent conditions are degraded by complex geometric distortions and blur. We address infrared deturbulence as an image restoration task, proposing DparNet, a parameter-assisted multi-frame network with a…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Yi Lu , Yadong Wang , Xingbo Jiang , Xiangzhi Bai

The precise reconstruction of the turbulent volume is a key point in the development of new-generation Adaptive Optics systems. We propose a new Cn2 profilometry method named CO-SLIDAR (COupled Slope and scIntillation Detection And…

天体物理仪器与方法 · 物理学 2015-06-05 Juliette Voyez , Clélia Robert , Vincent Michau , Jean Marc Conan , Thierry Fusco

In general, underwater images suffer from color distortion and low contrast, because light is attenuated and backscattered as it propagates through water (differently depending on wavelength and on the properties of the water body). An…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Tanmoy Mondal , Ricardo Mendoza , Lucas Drumetz

Deep convolutional neural networks provide a powerful feature learning capability for image classification. The deep image features can be utilized to deal with many image understanding tasks like image classification and object…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Shaoning Zeng , Bob Zhang , Yanghao Zhang , Jianping Gou

Monocular depth estimation is a crucial task in computer vision. While existing methods have shown impressive results under standard conditions, they often face challenges in reliably performing in scenarios such as low-light or rainy…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Yifan Mao , Jian Liu , Xianming Liu

In this work we present a framework to explain the prediction of the velocity fluctuation at a certain wall-normal distance from wall measurements with a deep-learning model. For this purpose, we apply the deep-SHAP method to explain the…

流体动力学 · 物理学 2025-02-12 A. Cremades , R. Freibergs , S. Hoyas , A. Ianiro , S. Discetti , R. Vinuesa

Motivated by oceanographic observational datasets, we propose a probabilistic neural network (PNN) model for calculating turbulent energy dissipation rates from vertical columns of velocity and density gradients in density stratified…

流体动力学 · 物理学 2021-12-03 Sam F. Lewin , Stephen M. de Bruyn Kops , Gavin D. Portwood , Colm-cille P. Caulfield

Recovering the turbulence-degraded point spread function from a single intensity image is important for a variety of imaging applications. Here, a deep learning model based on a convolutional neural network is applied to intensity images to…

图像与视频处理 · 电气工程与系统科学 2023-06-28 Abu Bucker Siddik , Steven Sandoval , David Voelz , Laura E Boucheron , Luis Varela

Given a visual scene, humans have strong intuitions about how a scene can evolve over time under given actions. The intuition, often termed visual intuitive physics, is a critical ability that allows us to make effective plans to manipulate…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Haotian Xue , Antonio Torralba , Joshua B. Tenenbaum , Daniel LK Yamins , Yunzhu Li , Hsiao-Yu Tung

Though action recognition in videos has achieved great success recently, it remains a challenging task due to the massive computational cost. Designing lightweight networks is a possible solution, but it may degrade the recognition…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Wenhao Wu , Dongliang He , Xiao Tan , Shifeng Chen , Yi Yang , Shilei Wen

Images have become one of the most popular types of media through which users convey their emotions within online social networks. Although vast amount of research is devoted to sentiment analysis of textual data, there has been very…

计算机视觉与模式识别 · 计算机科学 2014-11-24 Can Xu , Suleyman Cetintas , Kuang-Chih Lee , Li-Jia Li

A fully-convolutional neural-network model is used to predict the streamwise velocity fields at several wall-normal locations by taking as input the streamwise and spanwise wall-shear-stress planes in a turbulent open channel flow. The…

流体动力学 · 物理学 2020-08-26 L. Guastoni , M. P. Encinar , P. Schlatter , H. Azizpour , R. Vinuesa

The problem of classifying turbulent environments from partial observation is key for some theoretical and applied fields, from engineering to earth observation and astrophysics, e.g. to precondition searching of optimal control policies in…

流体动力学 · 物理学 2022-10-19 Michele Buzzicotti , Fabio Bonaccorso

We use spatio-temporal cross-correlations of slopes from five Shack-Hartmann wavefront sensors to analyse the temporal evolution of the atmospheric turbulence layers at different altitudes. The focus is on the verification of the frozen…

天体物理仪器与方法 · 物理学 2014-02-28 Andrés Guesalaga , Benoit Neichel , Angela Cortes , Clémentine Béchet , Dani Guzmán

We present an algorithm for estimating consistent dense depth maps and camera poses from a monocular video. We integrate a learning-based depth prior, in the form of a convolutional neural network trained for single-image depth estimation,…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

The present work proposes an inflow turbulence generation strategy using deep learning methods. This is achieved with the help of an autoencoder architecture with two different types of operational layers in the latent-space: a fully…

流体动力学 · 物理学 2019-10-16 Aakash Vijay Patil

The onset of hydrodynamic instabilities is of great importance in both industry and daily life, due to the dramatic mechanical and thermodynamic changes for different types of flow motions. In this paper, modern machine learning techniques,…

计算物理 · 物理学 2020-06-03 Wuyue Yang , Liangrong Peng , Yi Zhu , Liu Hong

Deep neural networks, albeit their great success on feature learning in various computer vision tasks, are usually considered as impractical for online visual tracking because they require very long training time and a large number of…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Hanxi Li , Yi Li , Fatih Porikli