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Snow avalanches present significant risks to human life and infrastructure, particularly in mountainous regions, making effective monitoring crucial. Traditional monitoring methods, such as field observations, are limited by accessibility,…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Filippo Maria Bianchi , Jakob Grahn

Synthetic Aperture Radar (SAR) constitutes a fundamental asset for wide-areas monitoring with high-resolution requirements. The first SAR sensors have given rise to coarse coastal and maritime monitoring applications, including oil spill,…

图像与视频处理 · 电气工程与系统科学 2019-10-15 Leonardo De Laurentiis , Andrea Pomente , Fabio Del Frate , Giovanni Schiavon

Synthetic Aperture Radar (SAR) provides all-weather, high-resolution imaging capabilities, but its unique imaging mechanism often requires expert interpretation, limiting its widespread applicability. Translating SAR images into more easily…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Xinyu Bai , Feng Xu

We consider the problem in Synthetic Aperture RADAR (SAR) of identifying and classifying objects located on the ground by means of Convolutional Neural Networks (CNNs). Specifically, we adopt a single scattering approximation to classify…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Romina Gaburro , Patrick Healy , Shraddha Naidu , Clifford Nolan

Unmanned aerial vehicles (UAV) often rely on GPS for navigation. GPS signals, however, are very low in power and easily jammed or otherwise disrupted. This paper presents a method for determining the navigation errors present at the…

计算机视觉与模式识别 · 计算机科学 2020-10-26 Teresa White , Jesse Wheeler , Colton Lindstrom , Randall Christensen , Kevin R. Moon

In this paper we investigate the use of discriminative model learning through Convolutional Neural Networks (CNNs) for SAR image despeckling. The network uses a residual learning strategy, hence it does not recover the filtered image, but…

计算机视觉与模式识别 · 计算机科学 2017-05-04 G. Chierchia , D. Cozzolino , G. Poggi , L. Verdoliva

Ship detection from satellite imagery using Deep Learning (DL) is an indispensable solution for maritime surveillance. However, applying DL models trained on one dataset to others having differences in spatial resolution and radiometric…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Tran-Vu La , Minh-Tan Pham , Marco Chini

Deep learning has substantially advanced pansharpening, achieving impressive fusion quality. However, a prevalent limitation is that conventional deep learning models, which typically rely on training datasets, often exhibit suboptimal…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Haorui Chen , Zeyu Ren , Jiaxuan Ren , Ran Ran , Jinliang Shao , Jie Huang , Liangjian Deng

In recent years, Deep Learning has been successfully applied to multimodal learning problems, with the aim of learning useful joint representations in data fusion applications. When the available modalities consist of time series data such…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Xitong Yang , Palghat Ramesh , Radha Chitta , Sriganesh Madhvanath , Edgar A. Bernal , Jiebo Luo

In the training of deep learning models, how the model parameters are initialized greatly affects the model performance, sample efficiency, and convergence speed. Representation learning for model initialization has recently been actively…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Keumgang Cha , Junghoon Seo , Yeji Choi

SAR images are highly sensitive to observation configurations, and they exhibit significant variations across different viewing angles, making it challenging to represent and learn their anisotropic features. As a result, deep learning…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Zhengxin Lei , Feng Xu , Jiangtao Wei , Feng Cai , Feng Wang , Ya-Qiu Jin

Accurate urban maps provide essential information to support sustainable urban development. Recent urban mapping methods use multi-modal deep neural networks to fuse Synthetic Aperture Radar (SAR) and optical data. However, multi-modal…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Sebastian Hafner , Yifang Ban , Andrea Nascetti

We propose a novel approach for generating high quality visible-like images from Synthetic Aperture Radar (SAR) images using Deep Convolutional Generative Adversarial Network (GAN) architectures. The proposed approach is based on a cascaded…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Puyang Wang , Vishal M. Patel

Synthetic aperture radar has the ability to work 24/7 and 24/7, and has high application value. Propose a new SAR image matching algorithm based on multi class features, mainly using two different types of features: straight lines and…

图像与视频处理 · 电气工程与系统科学 2024-05-07 Mazhi Qiang , Fengming Zhou

This paper presents a despeckling method for Sentinel-1 GRD images based on the recently proposed framework "SAR2SAR": a self-supervised training strategy. Training the deep neural network on collections of Sentinel 1 GRD images leads to a…

图像与视频处理 · 电气工程与系统科学 2021-10-28 Nicolas Gasnier , Emanuele Dalsasso , Loïc Denis , Florence Tupin

Convolutional Neural Networks (CNNs) are successful deep learning models in the field of computer vision. To get the maximum advantage of CNN model for Human Action Recognition (HAR) using inertial sensor data, in this paper, we use 4 types…

计算机视觉与模式识别 · 计算机科学 2021-05-31 Zeeshan Ahmad , Naimul Khan

Driven by the complementary nature of optical and synthetic aperture radar (SAR) images, SAR-optical image matching has garnered significant interest. Most existing SAR-optical image matching methods aim to capture effective matching…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Jingze Gai , Changchun Li

Deploying deep learning on Synthetic Aperture Radar (SAR) data is becoming more common for mapping purposes. One such case is sea ice, which is highly dynamic and rapidly changes as a result of the combined effect of wind, temperature, and…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Morteza Karimzadeh , Rafael Pires de Lima

In this letter, we aim to address a synthetic aperture radar (SAR) despeckling problem with the necessity of neither clean (speckle-free) SAR images nor independent speckled image pairs from the same scene, and a practical solution for SAR…

图像与视频处理 · 电气工程与系统科学 2021-01-19 Ye Yuan , Jian Guan , Pengming Feng , Yanxia Wu

Image fusion technology is widely used to fuse the complementary information between multi-source remote sensing images. Inspired by the frontier of deep learning, this paper first proposes a heterogeneous-integrated framework based on a…

图像与视频处理 · 电气工程与系统科学 2024-05-15 Menghui Jiang , Huanfeng Shen , Jie Li , Liangpei Zhang