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Related papers: EGTM: Event-guided Efficient Turbulence Mitigation

200 papers

Event-based multimodal large language models (MLLMs) enable robust perception in high-speed and low-light scenarios, addressing key limitations of frame-based MLLMs. However, current event-based MLLMs often rely on dense image-like…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Shaoyu Liu , Jianing Li , Guanghui Zhao , Yunjian Zhang , Wen Jiang , Ming Li , Xiangyang Ji

Time-to-Collision (TTC) estimation lies in the core of the forward collision warning (FCW) functionality, which is key to all Automatic Emergency Braking (AEB) systems. Although the success of solutions using frame-based cameras (e.g.,…

Robotics · Computer Science 2025-04-24 Kaizhen Sun , Jinghang Li , Kuan Dai , Bangyan Liao , Wei Xiong , Yi Zhou

Real-time 3D reconstruction is a fundamental task in computer graphics. Recently, differentiable-rendering-based SLAM system has demonstrated significant potential, enabling photorealistic scene rendering through learnable scene…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Xiaokun Pan , Zhenzhe Li , Zhichao Ye , Hongjia Zhai , Guofeng Zhang

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…

Image and Video Processing · Electrical Eng. & Systems 2019-12-25 Jing Gao , N. Anantrasirichai , David Bull

A variety of neural networks architectures are being studied to tackle blur in images and videos caused by a non-steady camera and objects being captured. In this paper, we present an overview of these existing networks and perform…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Tushar Jain , Madeline Lubien , Jerome Gilles

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,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Hanliang Du , Zhangji Lu , Zewei Cai , Qijian Tang , Qifeng Yu , Xiaoli Liu

Although many long-range imaging systems are designed to support extended vision applications, a natural obstacle to their operation is degradation due to atmospheric turbulence. Atmospheric turbulence causes significant degradation to…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Nithin Gopalakrishnan Nair , Kangfu Mei , Vishal M. Patel

We present a deep-learning approach to restore a sequence of turbulence-distorted video frames from turbulent deformations and space-time varying blurs. Instead of requiring a massive training sample size in deep networks, we purpose a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Wai Ho Chak , Chun Pong Lau , Lok Ming Lui

Complex turbulent flow simulations are an integral aspect of the engineering design process. The mainstay of these simulations is represented by eddy viscosity based turbulence models. Eddy viscosity models are computationally cheap due to…

Fluid Dynamics · Physics 2024-08-14 Minghan Chu , Weicheng Qian

Event cameras have the potential to revolutionize the field of robot vision, particularly in areas like stereo disparity estimation, owing to their high temporal resolution and high dynamic range. Many studies use deep learning for event…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Junjie Jiang , Hao Zhuang , Xinjie Huang , Delei Kong , Zheng Fang

Predicting the evolution of turbulent flows is central across science and engineering. Most studies rely on simulations with turbulence models, whose empirical simplifications introduce epistemic uncertainty. The Eigenspace Perturbation…

Machine Learning · Computer Science 2025-11-11 Minghan Chu , Weicheng Qian

Event cameras generate asynchronous signals in response to pixel-level brightness changes, offering a sensing paradigm with theoretically microsecond-scale latency that can significantly enhance the performance of multi-sensor systems.…

Robotics · Computer Science 2025-08-19 Jiayao Mai , Xiuyuan Lu , Kuan Dai , Shaojie Shen , Yi Zhou

With the rapid development of deep learning, video deraining has experienced significant progress. However, existing video deraining pipelines cannot achieve satisfying performance for scenes with rain layers of complex spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Yueyi Zhang , Jin Wang , Wenming Weng , Xiaoyan Sun , Zhiwei Xiong

Event cameras offer superior sensitivity to high-speed motion and extreme lighting, making event-based monocular depth estimation a promising approach for robust 3D perception in challenging conditions. However, progress is severely…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Yinrui Ren , Jinjing Zhu , Kanghao Chen , Zhuoxiao Li , Jing Ou , Zidong Cao , Tongyan Hua , Peilun Shi , Yingchun Fu , Wufan Zhao , Hui Xiong

Atmospheric turbulence in long-range imaging significantly degrades the quality and fidelity of captured scenes due to random variations in both spatial and temporal dimensions. These distortions present a formidable challenge across…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Zhicheng Zou , Nantheera Anantrasirichai

To faithfully simulate ITER and other modern fusion devices, one must resolve electron and ion fluctuation scales in a five-dimensional phase space and time. Simultaneously, one must account for the interaction of this turbulence with the…

Plasma Physics · Physics 2009-01-22 Michael Barnes

We introduce a novel technique to mitigate the adverse effects of atmospheric turbulence on astronomical imaging. Utilizing a video-to-image neural network trained on simulated data, our method processes a sliding sequence of short-exposure…

Instrumentation and Methods for Astrophysics · Physics 2024-05-09 Spencer Bialek , Emmanuel Bertin , Sébastien Fabbro , Hervé Bouy , Jean-Pierre Rivet , Olivier Lai , Jean-Charles Cuillandre

The neuromorphic event cameras, which capture the optical changes of a scene, have drawn increasing attention due to their high speed and low power consumption. However, the event data are noisy, sparse, and nonuniform in the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Chang Liu , Xiaojuan Qi , Edmund Lam , Ngai Wong

Event sensing is a major component in bio-inspired flight guidance and control systems. We explore the usage of event cameras for predicting time-to-contact (TTC) with the surface during ventral landing. This is achieved by estimating…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Sofia McLeod , Gabriele Meoni , Dario Izzo , Anne Mergy , Daqi Liu , Yasir Latif , Ian Reid , Tat-Jun Chin

Slow shutter speed and long exposure time of frame-based cameras often cause visual blur and loss of inter-frame information, degenerating the overall quality of captured videos. To this end, we present a unified framework of event-based…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Xiang Zhang , Lei Yu