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The recognition or understanding of the scenes observed with a SAR system requires a broader range of cues, beyond the spatial context. These encompass but are not limited to: imaging geometry, imaging mode, properties of the Fourier…

图像与视频处理 · 电气工程与系统科学 2023-01-11 Mihai Datcu , Zhongling Huang , Andrei Anghel , Juanping Zhao , Remus Cacoveanu

Most existing change detection (CD) methods focus on optical images captured at different times, and deep learning (DL) has achieved remarkable success in this domain. However, in extreme scenarios such as disaster response, synthetic…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Ziyuan Liu , Jiawei Zhang , Wenyu Wang , Yuantao Gu

Semantic Change Detection (SCD) is recognized as both a crucial and challenging task in the field of image analysis. Traditional methods for SCD have predominantly relied on the comparison of image pairs. However, this approach is…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Yinhe Liu , Sunan Shi , Zhuo Zheng , Jue Wang , Shiqi Tian , Yanfei Zhong

Cloud removal is a relevant topic in Remote Sensing as it fosters the usability of high-resolution optical images for Earth monitoring and study. Related techniques have been analyzed for years with a progressively clearer view of the…

With climate change predicted to increase the likelihood of landslide events, there is a growing need for rapid landslide detection technologies that help inform emergency responses. Synthetic Aperture Radar (SAR) is a remote sensing…

信号处理 · 电气工程与系统科学 2022-11-08 Vanessa Boehm , Wei Ji Leong , Ragini Bal Mahesh , Ioannis Prapas , Edoardo Nemni , Freddie Kalaitzis , Siddha Ganju , Raul Ramos-Pollan

Synthetic Aperture Radar (SAR) imagery is widely used for flood monitoring due to its all-weather and day-night imaging capability. However, flood mapping using single-polarization SAR data remains challenging in complex environments where…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Jagrati Talreja , Tewodros Syum Gebre , Leila Hashemi Beni

Cloud occlusion severely degrades the semantic integrity of optical remote sensing imagery. While incorporating Synthetic Aperture Radar (SAR) provides complementary observations, achieving efficient global modeling and reliable cross-modal…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Chenxing Meng , Wuzhou Quan , Yingjie Cai , Liqun Cao , Liyan Zhang , Mingqiang Wei

Remote Sensing Visual Question Answering (RSVQA) is a task that extracts information from satellite images to answer questions in natural language, aiding image interpretation. While several methods exist for optical images with varying…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Lucrezia Tosato , Flora Weissgerber , Laurent Wendling , Sylvain Lobry

Object detection in satellite-borne Synthetic Aperture Radar (SAR) imagery holds immense potential in tasks such as urban monitoring and disaster response. However, the inherent complexities of SAR data and the scarcity of annotations…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Yasin Almalioglu , Andrzej Kucik , Geoffrey French , Dafni Antotsiou , Alexander Adam , Cedric Archambeau

The rapid growth of the low-altitude economy (LAE) is making aerial systems an important part of future digital infrastructure. Although major advances have been achieved in unmanned aerial vehicle (UAV) platforms, communications, and…

信号处理 · 电气工程与系统科学 2026-04-14 Xue Zhang , Bang Huang , Mohamed-Slim Alouini

Mapping land surface disturbances supports disaster response, resource and ecosystem management, and climate adaptation efforts. Synthetic aperture radar (SAR) is an invaluable tool for disturbance mapping, providing consistent time-series…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Harris Hardiman-Mostow , Charles Marshak , Alexander L. Handwerger

Synthetic aperture radar (SAR) image change detection is a critical task and has received increasing attentions in the remote sensing community. However, existing SAR change detection methods are mainly based on convolutional neural…

图像与视频处理 · 电气工程与系统科学 2023-09-22 Haopeng Zhang , Zijing Lin , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

Synthetic Aperture Radar (SAR) provides robust all-weather imaging capabilities; however, translating SAR observations into photo-realistic optical images remains a fundamentally ill-posed problem. Current approaches are often hindered by…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Hyunseo Lee , Sang Min Kim , Ho Kyung Shin , Taeheon Kim , Woo-Jeoung Nam

Synthetic aperture radar automatic target recognition (SAR ATR) is of considerable importance in marine navigation and disaster monitoring. However, the coherent speckle noise inherent in SAR imagery often obscures salient target features,…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Yansong Lin , Zihan Cheng , Jielei Wang , Guoming Lua , Zongyong Cui

Popular Transformer networks have been successfully applied to remote sensing (RS) image change detection (CD) identifications and achieve better results than most convolutional neural networks (CNNs), but they still suffer from two main…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Tao Lei , Yetong Xu , Hailong Ning , Zhiyong Lv , Chongdan Min , Yaochu Jin , Asoke K. Nandi

This article is written to serve as an introduction and survey of imaging with synthetic aperture radar (SAR). The reader will benefit from having some familiarity with harmonic analysis, electromagnetic radiation, and inverse problems.…

数值分析 · 数学 2019-10-24 Toby Sanders , Christian Dwyer , Rodrigo B. Platte

In the realm of artificial intelligence, the emergence of foundation models, backed by high computing capabilities and extensive data, has been revolutionary. Segment Anything Model (SAM), built on the Vision Transformer (ViT) model with…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Xinyang Pu , Hecheng Jia , Linghao Zheng , Feng Wang , Feng Xu

The feature based spatial verification method SAL is applied to cloud data, i.e. two-dimensional spatial fields of total cloud cover and spectral radiance. Model output is obtained from the COSMO-DE forward operator SynSat and compared to…

大气与海洋物理 · 物理学 2016-03-08 Michael Weniger , Petra Friederichs

Remote sensing change detection plays a pivotal role in domains such as environmental monitoring, urban planning, and disaster assessment. However, existing methods typically rely on predefined categories and large-scale pixel-level…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Mingyu Dou , Shi Qiu , Ming Hu , Yifan Chen , Huping Ye , Xiaohan Liao , Zhe Sun

Synthetic aperture radar (SAR) image change detection is critical in remote sensing image analysis. Recently, the attention mechanism has been widely used in change detection tasks. However, existing attention mechanisms often employ…

图像与视频处理 · 电气工程与系统科学 2024-07-19 Jiangwei Xie , Feng Gao , Xiaowei Zhou , Junyu Dong