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About half of all optical observations collected via spaceborne satellites are affected by haze or clouds. Consequently, cloud coverage affects the remote sensing practitioner's capabilities of a continuous and seamless monitoring of our…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Patrick Ebel , Yajin Xu , Michael Schmitt , Xiaoxiang Zhu

Infrared and visible image fusion aims to generate synthetic images simultaneously containing salient features and rich texture details, which can be used to boost downstream tasks. However, existing fusion methods are suffering from the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Hui Li , Yongbiao Xiao , Chunyang Cheng , Zhongwei Shen , Xiaoning Song

Cloud removal (CR) remains a challenging task in remote sensing image processing. Although diffusion models (DM) exhibit strong generative capabilities, their direct applications to CR are suboptimal, as they generate cloudless images from…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yi Liu , Wengen Li , Jihong Guan , Shuigeng Zhou , Yichao Zhang

The paper addresses the image fusion problem, where multiple images captured with different focus distances are to be combined into a higher quality all-in-focus image. Most current approaches for image fusion strongly rely on the…

Computer Vision and Pattern Recognition · Computer Science 2018-02-07 Rui Gao , Sergiy A. Vorobyov , Hong Zhao

This work has been accepted by IEEE TGRS for publication. The majority of optical observations acquired via spaceborne earth imagery are affected by clouds. While there is numerous prior work on reconstructing cloud-covered information,…

Image and Video Processing · Electrical Eng. & Systems 2021-07-07 Patrick Ebel , Andrea Meraner , Michael Schmitt , Xiaoxiang Zhu

LiDAR point clouds, which are usually scanned by rotating LiDAR sensors continuously, capture precise geometry of the surrounding environment and are crucial to many autonomous detection and navigation tasks. Though many 3D deep…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Aoran Xiao , Jiaxing Huang , Dayan Guan , Kaiwen Cui , Shijian Lu , Ling Shao

Convolutional neural networks (CNNs) have been widely used to improve the accuracy of polarimetric synthetic aperture radar (PolSAR) image classification. However, in most studies, the difference between PolSAR images and optical images is…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Lamei Zhang , Hongwei Dong , Bin Zou

In computer vision and image processing tasks, image fusion has evolved into an attractive research field. However, recent existing image fusion methods are mostly built on pixel-level operations, which may produce unacceptable artifacts…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Lihua Jian , Xiaomin Yang , Zheng Liu , Gwanggil Jeon , Mingliang Gao , David Chisholm

This paper presents a comparative study of two different methods, which are based on fusion and polar transformation of visual and thermal images. Here, investigation is done to handle the challenges of face recognition, which include pose…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Mrinal Kanti Bhowmik , Debotosh Bhattacharjee , Dipak Kumar Basu , Mita Nasipuri

POLSAR image has an advantage over optical image because it can be acquired independently of cloud cover and solar illumination. PolSAR image classification is a hot and valuable topic for the interpretation of POLSAR image. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-19 Xu Liu , Licheng Jiao , Dan Zhang , Fang Liu

The quality of images of the Sun obtained from the ground are severely limited by the perturbing effect of the turbulent Earth's atmosphere. The post-facto correction of the images to compensate for the presence of the atmosphere require…

Solar and Stellar Astrophysics · Physics 2018-12-05 A. Asensio Ramos , J. de la Cruz Rodriguez , A. Pastor Yabar

Radars, due to their robustness to adverse weather conditions and ability to measure object motions, have served in autonomous driving and intelligent agents for years. However, Radar-based perception suffers from its unintuitive sensing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Liu Liu , Shuaifeng Zhi , Zhenhua Du , Li Liu , Xinyu Zhang , Kai Huo , Weidong Jiang

Polarization-based vision has gained increasing attention for providing richer physical cues beyond RGB images. While achieving single-shot capture is highly desirable for practical applications, existing Division-of-Focal-Plane (DoFP)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Shuangfan Zhou , Chu Zhou , Heng Guo , Youwei Lyu , Boxin Shi , Zhanyu Ma , Imari Sato

Optical and Synthetic Aperture Radar (SAR) fusion-based object detection has attracted significant research interest in remote sensing, as these modalities provide complementary information for all-weather monitoring. However, practical…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Zhicheng Zhao , Yuancheng Xu , Andong Lu , Chenglong Li , Jin Tang

We consider the problem of removing and replacing clouds in satellite image sequences, which has a wide range of applications in remote sensing. Our approach first detects and removes the cloud-contaminated part of the image sequences. It…

Computer Vision and Pattern Recognition · Computer Science 2016-04-14 Jialei Wang , Peder A. Olsen , Andrew R. Conn , Aurelie C. Lozano

The presence of cloud layers severely compromises the quality and effectiveness of optical remote sensing (RS) images. However, existing deep-learning (DL)-based Cloud Removal (CR) techniques encounter difficulties in accurately…

Image and Video Processing · Electrical Eng. & Systems 2024-01-30 Jialu Sui , Yiyang Ma , Wenhan Yang , Xiaokang Zhang , Man-On Pun , Jiaying Liu

Polarimetric synthetic aperture radar (PolSAR) image classification has been investigated vigorously in various remote sensing applications. However, it is still a challenging task nowadays. One significant barrier lies in the speckle…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Haixia Bi , Jing Yao , Zhiqiang Wei , Danfeng Hong , Jocelyn Chanussot

Addressing gaps caused by cloud cover and the long revisit cycle of satellites is vital for providing essential data to support remote sensing applications. This paper tackles the challenges of missing optical data synthesis, particularly…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Chenxi Duan

Cloud occlusion significantly hinders remote sensing applications by obstructing surface information and complicating analysis. To address this, we propose DC4CR (Diffusion Control for Cloud Removal), a novel multimodal diffusion-based…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Zhenyu Yu , Mohd Yamani Idna Idris , Pei Wang

Classification of polarimetric synthetic aperture radar (PolSAR) images is an active research area with a major role in environmental applications. The traditional Machine Learning (ML) methods proposed in this domain generally focus on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Mete Ahishali , Serkan Kiranyaz , Turker Ince , Moncef Gabbouj