中文
相关论文

相关论文: Deep Learning Techniques for Atmospheric Turbulenc…

200 篇论文

Controlling UAV flights precisely requires a realistic dynamic model and accurate state estimates from onboard sensors like UAV, GPS and visual observations. Obtaining a precise dynamic model is extremely difficult, as important aerodynamic…

机器人学 · 计算机科学 2022-03-29 Quentin Possamaï , Steeven Janny , Madiha Nadri , Laurent Bako , Christian Wolf

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

Image distortion by atmospheric turbulence is a stochastic degradation, which is a critical problem in long-range optical imaging systems. A number of research has been conducted during the past decades, including model-based and emerging…

图像与视频处理 · 电气工程与系统科学 2023-07-21 Ajay Jaiswal , Xingguang Zhang , Stanley H. Chan , Zhangyang Wang

This paper describes a new method for mitigating the effects of atmospheric distortion on observed sequences that include large moving objects. In order to provide accurate detail from objects behind the distorting layer, we solve the…

计算机视觉与模式识别 · 计算机科学 2018-08-13 N. Anantrasirichai , Alin Achim , David Bull

Atmospheric turbulence degrades the performance of free-space optical (FSO) communication and remote sensing systems by introducing phase and intensity distortions. While a majority of research focuses on mitigating these effects to ensure…

It remains a challenge to simultaneously remove geometric distortion and space-time-varying blur in frames captured through a turbulent atmospheric medium. To solve, or at least reduce these effects, we propose a new scheme to recover a…

计算机视觉与模式识别 · 计算机科学 2014-01-20 Yuan Xie , Wensheng Zhang , Dacheng Tao , Wenrui Hu , Yanyun Qu , Hanzi Wang

Recovering images distorted by atmospheric turbulence is a challenging inverse problem due to the stochastic nature of turbulence. Although numerous turbulence mitigation (TM) algorithms have been proposed, their efficiency and…

图像与视频处理 · 电气工程与系统科学 2024-04-09 Xingguang Zhang , Nicholas Chimitt , Yiheng Chi , Zhiyuan Mao , Stanley H. Chan

State-of-the-art atmospheric turbulence image restoration methods utilize standard image processing tools such as optical flow, lucky region and blind deconvolution to restore the images. While promising results have been reported over the…

图像与视频处理 · 电气工程与系统科学 2019-05-21 Nicholas Chimitt , Zhiyuan Mao , Guanzhe Hong , Stanley H. Chan

Image degradation due to atmospheric turbulence is common while capturing images at long ranges. To mitigate the degradation due to turbulence which includes deformation and blur, we propose a generative single frame restoration algorithm…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Chun Pong Lau , Hossein Souri , Rama Chellappa

A novel approach is presented in this paper to improve images which are altered by atmospheric turbulence. Two new algorithms are presented based on two combinations of a blind deconvolution block, an elastic registration block and a…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Jerome Gilles , Tristan Dagobert , Carlo De Franchis

In many practical applications of long-range imaging such as biometrics and surveillance, thermal imagining modalities are often used to capture images in low-light and nighttime conditions. However, such imaging systems often suffer from…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Kangfu Mei , Yiqun Mei , Vishal M. Patel

Atmospheric turbulence introduces severe spatial and geometric distortions, challenging traditional image restoration methods. We propose the Probabilistic Prior Turbulence Removal Network (PPTRN), which combines probabilistic…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Guodong Sun , Qixiang Ma , Liqiang Zhang , Hongwei Wang , Zixuan Gao , Haotian Zhang

Photography is the cornerstone of modern astronomical and space research. However, most astronomical images captured by ground-based telescopes suffer from atmospheric turbulence, resulting in degraded imaging quality. While multi-frame…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Joonyeoup Kim , Yu Yuan , Xingguang Zhang , Xijun Wang , Stanley Chan

Correlated imaging through atmospheric turbulence is studied, and the analytical expressions describing turbulence effects on image resolution are derived. Compared with direct imaging, correlated imaging can reduce the influence of…

光学 · 物理学 2015-05-19 Pengli Zhang , Wenlin Gong , Xia Shen , Shensheng Han

We recently developed a new approach to get a stabilized image from a sequence of frames acquired through atmospheric turbulence. The goal of this algorihtm is to remove the geometric distortions due by the atmosphere movements. This method…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Yu Mao , Jerome Gilles

Atmospheric turbulence degrades image quality by introducing blur and geometric tilt distortions, posing significant challenges to downstream computer vision tasks. Existing single-image and multi-frame methods struggle with the highly…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Yixing Liu , Minggui Teng , Yifei Xia , Peiqi Duan , Boxin Shi

We design an optical feedback network making use of machine learning techniques and demonstrate via simulations its ability to correct for the effects of turbulent propagation on optical modes. This artificial neural network scheme only…

信号处理 · 电气工程与系统科学 2018-06-22 Sanjaya Lohani , Ryan T. Glasser

Since the seminal work of Andrey Kolmogorov in the early 1940's, imaging through atmospheric turbulence has grown from a pure scientific pursuit to an important subject across a multitude of civilian, space-mission, and national security…

图像与视频处理 · 电气工程与系统科学 2024-11-04 Nicholas Chimitt , Stanley H. Chan

We describe a method for recovering the irradiance underlying a collection of images corrupted by atmospheric turbulence. Since supervised data is often technically impossible to obtain, assumptions and biases have to be imposed to solve…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Dong Lao , Congli Wang , Alex Wong , Stefano Soatto

Optical turbulence, driven by fluctuations of the atmospheric refractive index, poses a significant challenge to ground-based optical systems, as it distorts the propagation of light. This degradation affects both astronomical observations…

天体物理仪器与方法 · 物理学 2026-03-26 Mary Joe Medlej , Rahul Srinivasan , Simon Prunet , Aziz Ziad , Christophe Giordano