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Polarization cameras can capture multiple polarized images with different polarizer angles in a single shot, bringing convenience to polarization-based downstream tasks. However, their direct outputs are color-polarization filter array…

计算机视觉与模式识别 · 计算机科学 2025-04-23 Shuangfan Zhou , Chu Zhou , Youwei Lyu , Heng Guo , Zhanyu Ma , Boxin Shi , Imari Sato

Pansharpening under thin cloudy conditions is a practically significant yet rarely addressed task, challenged by simultaneous spatial resolution degradation and cloud-induced spectral distortions. Existing methods often address cloud…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Songcheng Du , Yang Zou , Jiaxin Li , Mingxuan Liu , Ying Li , Changjing Shang , Qiang Shen

Division-of-focal-plane (DoFP) polarization imaging technical recently has been applied in many fields. However, the images captured by such sensors cannot be used directly because they suffer from instantaneous field-of-view errors and low…

图像与视频处理 · 电气工程与系统科学 2021-10-27 Rongyuan Wu , Yongqiang Zhao , Ning Li , Seong G. Kong

The effective combination of the complementary information provided by the huge amount of unlabeled multi-sensor data (e.g., Synthetic Aperture Radar (SAR) and optical images) is a critical topic in remote sensing. Recently, contrastive…

图像与视频处理 · 电气工程与系统科学 2021-10-11 Yuxing Chen , Lorenzo Bruzzone

Cloud removal is an essential task in remote sensing data analysis. As the image sensors are distant from the earth ground, it is likely that part of the area of interests is covered by cloud. Moreover, the atmosphere in between creates a…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Yi Guo , Feng Li , Zhuo Wang

Automatic map extraction is of great importance to urban computing and location-based services. Aerial image and GPS trajectory data refer to two different data sources that could be leveraged to generate the map, although they carry…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Hao Wu , Hanyuan Zhang , Xinyu Zhang , Weiwei Sun , Baihua Zheng , Yuning Jiang

Cameras can be used to perceive the environment around the vehicle, while affordable radar sensors are popular in autonomous driving systems as they can withstand adverse weather conditions unlike cameras. However, radar point clouds are…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Kavin Chandrasekaran , Sorin Grigorescu , Gijs Dubbelman , Pavol Jancura

In this work, a deep learning approach has been developed to carry out road detection by fusing LIDAR point clouds and camera images. An unstructured and sparse point cloud is first projected onto the camera image plane and then upsampled…

计算机视觉与模式识别 · 计算机科学 2018-09-24 Luca Caltagirone , Mauro Bellone , Lennart Svensson , Mattias Wahde

Most autonomous vehicles are equipped with LiDAR sensors and stereo cameras. The former is very accurate but generates sparse data, whereas the latter is dense, has rich texture and color information but difficult to extract robust 3D…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Farzin Negahbani , Onur Berk Töre , Fatma Güney , Baris Akgun

The approaches for analyzing the polarimetric scattering matrix of polarimetric synthetic aperture radar (PolSAR) data have always been the focus of PolSAR image classification. Generally, the polarization coherent matrix and the covariance…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Xu Liu , Licheng Jiao , Xu Tang , Qigong Sun , Dan Zhang

Cloud and cloud shadow segmentation are fundamental processes in optical remote sensing image analysis. Current methods for cloud/shadow identification in geospatial imagery are not as accurate as they should, especially in the presence of…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Sorour Mohajerani , Parvaneh Saeedi

Synthetic Aperture Radar (SAR) and optical image registration is essential for remote sensing data fusion, with applications in military reconnaissance, environmental monitoring, and disaster management. However, challenges arise from…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Wenfei Zhang , Ruipeng Zhao , Yongxiang Yao , Yi Wan , Peihao Wu , Jiayuan Li , Yansheng Li , Yongjun Zhang

Accurate segmentation of floating debris on water is often compromised by surface glare and changing outdoor illumination. Polarimetric imaging offers a single-sensor route to mitigate water-surface glare that disrupts semantic segmentation…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Luis F. W. Batista , Tom Bourbon , Cedric Pradalier

Lidars and cameras are critical sensors that provide complementary information for 3D detection in autonomous driving. While most prevalent methods progressively downscale the 3D point clouds and camera images and then fuse the high-level…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Zixuan Yin , Han Sun , Ningzhong Liu , Huiyu Zhou , Jiaquan Shen

Because of the internal malfunction of satellite sensors and poor atmospheric conditions such as thick cloud, the acquired remote sensing data often suffer from missing information, i.e., the data usability is greatly reduced. In this…

计算机视觉与模式识别 · 计算机科学 2018-08-15 Qiang Zhang , Qiangqiang Yuan , Chao Zeng , Xinghua Li , Yancong Wei

This paper proposes a novel spatiotemporal (ST) fusion framework for satellite images, named Robust Optimization-based Spatiotemporal Fusion (ROSTF). ST fusion is a promising approach to resolve a trade-off between the temporal and spatial…

图像与视频处理 · 电气工程与系统科学 2024-07-01 Ryosuke Isono , Kazuki Naganuma , Shunsuke Ono

Ground-based solar observations enable unprecedented spatial, spectral, and temporal resolution of the lower solar atmosphere, yet Earths turbulent atmosphere imposes significant limitations, requiring advanced post-facto image…

太阳与恒星天体物理 · 物理学 2026-03-06 Christoph Schirninger , Robert Jarolim , Astrid M. Veronig , Matthias Rempel , Friedrich Wöger

Fusion-based hyperspectral image super-resolution aims to fuse low-resolution hyperspectral images (LR-HSIs) and high-resolution multispectral images (HR-MSIs) to reconstruct high spatial and high spectral resolution images. Current methods…

图像与视频处理 · 电气工程与系统科学 2026-03-25 Songcheng Du , Yang Zou , Zixu Wang , Xingyuan Li , Ying Li , Changjing Shang , Qiang Shen

Clouds in remote sensing images inevitably affect information extraction, which hinder the following analysis of satellite images. Hence, cloud detection is a necessary preprocessing procedure. However, the existing methods have numerous…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Wenxuan Ge , Xubing Yang , Li Zhang

In remote sensing images, the presence of thick cloud accompanying cloud shadow is a high probability event, which can affect the quality of subsequent processing and limit the scenarios of application. Hence, removing the thick cloud and…

图像与视频处理 · 电气工程与系统科学 2021-09-21 Chenxi Duan , Jun Pan , Rui Li