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In this technical report, we present the solution developed by our team VIELab-HUST for text recognition through atmospheric turbulence in Track 2.1 of the CVPR 2023 UG$^{2}$+ challenge. Our solution involves an efficient multi-stage…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Shengqi Xu , Xueyao Xiao , Shuning Cao , Yi Chang , Luxin Yan

In this technical report, we briefly introduce the solution of our team ''summer'' for Atomospheric Turbulence Mitigation in UG$^2$+ Challenge in CVPR 2022. In this task, we propose a unified end-to-end framework to reconstruct a high…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Zhuang Liu , Zhichao Zhao , Ye Yuan , Zhi Qiao , Jinfeng Bai , Zhilong Ji

In this technical report, we briefly introduce the solution of our team HUST\li VIE for GT-Rain Challenge in CVPR 2023 UG$^{2}$+ Track 3. In this task, we propose an efficient two-stage framework to reconstruct a clear image from rainy…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Yun Guo , Xueyao Xiao , Xiaoxiong Wang , Yi Li , Yi Chang , Luxin Yan

This technical report briefly introduces to the D$^{3}$Net proposed by our team "TUK-IKLAB" for Atmospheric Turbulence Mitigation in $UG2^{+}$ Challenge at CVPR 2022. In the light of test and validation results on textual images to improve…

计算机视觉与模式识别 · 计算机科学 2022-08-29 Sunder Ali Khowaja , Ik Hyun Lee , Jiseok Yoon

How can we effectively engineer a computer vision system that is able to interpret videos from unconstrained mobility platforms like UAVs? One promising option is to make use of image restoration and enhancement algorithms from the area of…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Sreya Banerjee , Rosaura G. VidalMata , Zhangyang Wang , Walter J. Scheirer

We address the problem of restoring a high-quality image from an observed image sequence strongly distorted by atmospheric turbulence. A novel algorithm is proposed in this paper to reduce geometric distortion as well as…

计算机视觉与模式识别 · 计算机科学 2017-09-20 Chun Pong Lau , Yu Hin Lai , Lok Ming Lui

In this work, we present our winning solution for the 8th UG2+ Challenge (CVPR 2026) Track 1: Image Restoration under All-weather Conditions. Our method is built upon the strong baseline framework X-Restormer, which effectively captures…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Youwei Pan , Leilei Cao , Yingfang Zhu , Fengjie Zhu

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

Atmospheric turbulence distorts visual imagery and is always problematic for information interpretation by both human and machine. Most well-developed approaches to remove atmospheric turbulence distortion are model-based. However, these…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Nantheera Anantrasirichai

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

Video sequence capturing through refractive dynamic media, such as a turbulent air or water surface, often suffer from severe geometric distortions and temporal instability. While recent advances address mild atmospheric turbulence, no…

Atmospheric turbulence significantly affects imaging systems which use light that has propagated through long atmospheric paths. Images captured under such condition suffer from a combination of geometric deformation and space varying blur.…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Rajeev Yasarla , Vishal M Patel

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

This paper describes a novel deep learning-based method for mitigating the effects of atmospheric distortion. We have built an end-to-end supervised convolutional neural network (CNN) to reconstruct turbulence-corrupted video sequence. Our…

图像与视频处理 · 电气工程与系统科学 2019-12-25 Jing Gao , N. Anantrasirichai , David Bull

Atmospheric turbulence causes significant image degradation due to pixel displacement (tilt) and blur, particularly in long-range imaging applications. In this paper, we propose a novel framework for atmospheric turbulence mitigation,…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Hanliang Du , Zhangji Lu , Zewei Cai , Qijian Tang , Qifeng Yu , Xiaoli Liu

Turbulence-degraded image frames are distorted by both turbulent deformations and space-time-varying blurs. To suppress these effects, we propose a multi-frame reconstruction scheme to recover a latent image from the observed image…

计算机视觉与模式识别 · 计算机科学 2017-12-12 Chun Pong Lau , Yu Hin Lai , Lok Ming Lui

Image restoration algorithms for atmospheric turbulence are known to be much more challenging to design than traditional ones such as blur or noise because the distortion caused by the turbulence is an entanglement of spatially varying…

图像与视频处理 · 电气工程与系统科学 2022-07-26 Zhiyuan Mao , Ajay Jaiswal , Zhangyang Wang , Stanley H. Chan

This technical report presents our solution for the CVPR 2026 UG2+ Challenge Track 3: Dynamic Object Segmentation in Turbulence (DOST). We design a training-free multi-signal segmentation pipeline that combines pretrained motion estimation,…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Bolian Peng , Ying Tang , Xu Liu , Long Sun , Xiaoqiang Lu

A novel approach is presented to recover an image degraded by atmospheric turbulence. Given a sequence of frames affected by turbulence, we construct a variational model to characterize the static image. The optimization problem is solved…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Yu Mao , Jerome Gilles

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
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