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相关论文: Visualization of Deep Transfer Learning In SAR Ima…

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The use of transfer learning with deep neural networks has increasingly become widespread for deploying well-tested computer vision systems to newer domains, especially those with limited datasets. We describe a transfer learning use case…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Rashik Shadman , M. G. Sarwar Murshed , Edward Verenich , Alvaro Velasquez , Faraz Hussain

Synthetic aperture radar (SAR) has been extensively utilized in maritime domains due to its all-weather, all-day monitoring capabilities, particularly exhibiting significant value in ship detection. In recent years, deep learning methods…

图像与视频处理 · 电气工程与系统科学 2024-01-17 Hecheng Jia , Feng Xu

Contrary to optical images, Synthetic Aperture Radar (SAR) images are in different electromagnetic spectrum where the human visual system is not accustomed to. Thus, with more and more SAR applications, the demand for enhanced high-quality…

图像与视频处理 · 电气工程与系统科学 2018-07-23 Dongyang Ao , Corneliu Octavian Dumitru , Gottfried Schwarz , Mihai Datcu

With modern defense applications increasingly relying on inexpensive, small Unmanned Aerial Vehicles (UAVs), a major challenge lies in designing intelligent and computationally efficient onboard Automatic Target Recognition (ATR) algorithms…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Conor Flynn , Radoslav Ivanov , Birsen Yazici

Target detection is the front-end stage in any automatic target recognition system for synthetic aperture radar (SAR) imagery (SAR-ATR). The efficacy of the detector directly impacts the succeeding stages in the SAR-ATR processing chain.…

图像与视频处理 · 电气工程与系统科学 2018-04-16 Khalid El-Darymli , Peter McGuire , Desmond Power , Cecilia Moloney

In the next generations of cellular communication networks, higher density of base stations and higher frequency bands will be adopted. If being reflected by targets, the communication signal also brings information of the targets, in…

信号处理 · 电气工程与系统科学 2020-11-18 Husheng Li

Synthetic Aperture Sonar (SAS) imaging has become a crucial technology for underwater exploration because of its unique ability to maintain resolution at increasing ranges, a characteristic absent in conventional sonar techniques. However,…

信号处理 · 电气工程与系统科学 2023-08-24 Brandon Sheffield , Frank E. Bobe , Bradley Marchand , Matthew S. Emigh

Earth Observation (EO) systems are crucial for cartography, disaster surveillance, and resource administration. Nonetheless, they encounter considerable obstacles in the processing and transmission of extensive data, especially in…

Forward modeling of wave scattering and radar imaging mechanisms is the key to information extraction from synthetic aperture radar (SAR) images. Like inverse graphics in optical domain, an inherently-integrated forward-inverse approach…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Shilei Fu , Feng Xu

Current post-processing techniques for the correction of atmospheric seeing in solar observations -- such as Speckle interferometry and Phase Diversity methods -- have limitations when it comes to their reconstructive capabilities of solar…

太阳与恒星天体物理 · 物理学 2020-12-09 John A. Armstrong , Lyndsay Fletcher

Object detection and classification for aircraft are the most important tasks in the satellite image analysis. The success of modern detection and classification methods has been based on machine learning and deep learning. One of the key…

计算机视觉与模式识别 · 计算机科学 2018-06-11 Junghoon Seo , Seunghyun Jeon , Taegyun Jeon

Solar radio observation is an important way to study the Sun. Solar radio bursts contain important information about solar activity. Therefore, real-time automatic detection and classification of solar radio bursts are of great value for…

天体物理仪器与方法 · 物理学 2025-02-07 Siqi Li , Guowu Yuan , Jian Chen , Chengming Tan , Hao Zhou

The speckle phenomenon remains a major hurdle for the analysis of SAR images. The development of speckle reduction methods closely follows methodological progress in the field of image restoration. The advent of deep neural networks has…

图像与视频处理 · 电气工程与系统科学 2021-01-29 Loïc Denis , Emanuele Dalsasso , Florence Tupin

Thermal Infrared (TIR) cameras are gaining popularity in many computer vision applications due to their ability to operate under low-light conditions. Images produced by TIR cameras are usually difficult for humans to perceive visually,…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Adam Nyberg , Abdelrahman Eldesokey , David Bergström , David Gustafsson

In this paper, we investigate how to learn a suitable representation of satellite image time series in an unsupervised manner by leveraging large amounts of unlabeled data. Additionally , we aim to disentangle the representation of time…

计算机视觉与模式识别 · 计算机科学 2019-03-22 Eduardo Sanchez , Mathieu Serrurier , Mathias Ortner

In deep learning, transfer learning (TL) has become the de facto approach when dealing with image related tasks. Visual features learnt for one task have been shown to be reusable for other tasks, improving performance significantly. By…

计算机视觉与模式识别 · 计算机科学 2022-11-09 Adrian Tormos , Dario Garcia-Gasulla , Victor Gimenez-Abalos , Sergio Alvarez-Napagao

In the problem of spotlight mode airborne synthetic aperture radar (SAR) image formation, it is well-known that data collected over a wide azimuthal angle violate the isotropic scattering property typically assumed. Many techniques have…

图像与视频处理 · 电气工程与系统科学 2023-04-12 Victor Churchill , Anne Gelb

Open-set image recognition (OSR) aims to both classify known-class samples and identify unknown-class samples in the testing set, which supports robust classifiers in many realistic applications, such as autonomous driving, medical…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Jiayin Sun , Qiulei Dong

Anomaly detection is a key research challenge in computer vision and machine learning with applications in many fields from quality control to radar imaging. In radar imaging, specifically synthetic aperture radar (SAR), anomaly detection…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Lucian Chauvin , Somil Gupta , Angelina Ibarra , Joshua Peeples

This report proposes a robust method for classifying oceanic and atmospheric phenomena using synthetic aperture radar (SAR) imagery. Our proposed method leverages the powerful pre-trained model Swin Transformer v2 Large as the backbone and…

图像与视频处理 · 电气工程与系统科学 2024-05-07 Haonan Xu , Han Yinan , Haotian Si , Yang Yang
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