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Tomographic synthetic aperture radar (TomoSAR) imaging algorithms based on deep learning can effectively reduce computational costs. The idea of existing researches is to reconstruct the elevation for each range-azimuth cell in…

Signal Processing · Electrical Eng. & Systems 2022-10-06 Yu Ren , Xiaoling Zhang , Yunqiao Hu , Xu Zhan

Deep learning technologies have significantly improved performance in the field of synthetic aperture radar (SAR) image target recognition compared to traditional methods. However, the inherent ``black box" property of deep learning models…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Zhuoxuan Li , Xu Zhang , Shumeng Yu , Haipeng Wang

Deep learning-based image retrieval has been emphasized in computer vision. Representation embedding extracted by deep neural networks (DNNs) not only aims at containing semantic information of the image, but also can manage large-scale…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Seonho Park , Maciej Rysz , Kathleen M. Dipple , Panos M. Pardalos

Information extraction from synthetic aperture radar (SAR) images is heavily impaired by speckle noise, hence despeckling is a crucial preliminary step in scene analysis algorithms. The recent success of deep learning envisions a new…

Image and Video Processing · Electrical Eng. & Systems 2020-07-07 Andrea Bordone Molini , Diego Valsesia , Giulia Fracastoro , Enrico Magli

The promising potential of Deep Learning for Automatic Target Recognition (ATR) on Synthetic Aperture Radar (SAR) images vanishes when considering the complexity of collecting training datasets measurements. Simulation can overcome this…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Benjamin Camus , Corentin Le Barbu , Eric Monteux

Supervised fine-tuning methods (SFT) perform great efficiency on artificial intelligence interpretation in SAR images, leveraging the powerful representation knowledge from pre-training models. Due to the lack of domain-specific pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Xinyang Pu , Feng Xu

Recently, metasurfaces have experienced revolutionary growth in the sensing and superresolution imaging field, due to their enabling of subwavelength manipulation of electromagnetic waves. However, the addition of metasurfaces multiplies…

Signal Processing · Electrical Eng. & Systems 2023-05-08 Jin Zhao , Huang Zhao Zhang , Ming-Zhe Chong , Yue-Yi Zhang , Zi-Wen Zhang , Zong-Kun Zhang , Chao-Hai Du , Pu-Kun Liu

It has been a long-standing goal in machine learning, as well as in AI more generally, to develop life-long learning systems that learn many different tasks over time, and reuse insights from tasks learned, "learning to learn" as they do…

Machine Learning · Computer Science 2014-12-08 Maria-Florina Balcan , Avrim Blum , Santosh Vempala

In this work, we propose to tackle several challenges hindering the development of Automatic Target Detection (ATD) algorithms for ground targets in SAR images. To address the lack of representative training data, we propose a Deep Learning…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Benjamin Camus , Théo Voillemin , Corentin Le Barbu , Jean-Christophe Louvigné , Carole Belloni , Emmanuel Vallée

Deep learning approaches require enough training samples to perform well, but it is a challenge to collect enough real training data and label them manually. In this letter, we propose the use of realistic synthetic data with a wide…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Weixing Liu , Jun Liu , Bin Luo

Deep learning in remote sensing has become an international hype, but it is mostly limited to the evaluation of optical data. Although deep learning has been introduced in Synthetic Aperture Radar (SAR) data processing, despite successful…

Image and Video Processing · Electrical Eng. & Systems 2024-10-30 Xiao Xiang Zhu , Sina Montazeri , Mohsin Ali , Yuansheng Hua , Yuanyuan Wang , Lichao Mou , Yilei Shi , Feng Xu , Richard Bamler

In real-world scenarios, it may not always be possible to collect hundreds of labeled samples per class for training deep learning-based SAR Automatic Target Recognition (ATR) models. This work specifically tackles the few-shot SAR ATR…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Nathan Inkawhich

With the development of computational power and techniques for data collection, deep learning demonstrates a superior performance over most existing algorithms on visual benchmark data sets. Many efforts have been devoted to studying the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Yuanhong Xu , Qi Qian , Hao Li , Rong Jin , Juhua Hu

In automotive systems, a radar is a key component of autonomous driving. Using transmit and reflected radar signal by a target, we can capture the target range and velocity. However, when interference signals exist, noise floor increases…

Signal Processing · Electrical Eng. & Systems 2019-11-13 Jiwoo Mun , Heasung Kim , Jungwoo Lee

With the advancement of aerospace technology and the increasing demands of military applications, the development of low false-alarm and high-precision infrared small target detection algorithms has emerged as a key focus of research…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Taoran Yue , Xiaojin Lu , Jiaxi Cai , Yuanping Chen , Shibing Chu

In this paper, we describe a strategy for training neural networks for object detection in range images obtained from one type of LiDAR sensor using labeled data from a different type of LiDAR sensor. Additionally, an efficient model for…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Manuel Herzog , Klaus Dietmayer

Synthetic Aperture Radar (SAR) imaging systems operate by emitting radar signals from a moving object, such as a satellite, towards the target of interest. Reflected radar echoes are received and later used by image formation algorithms to…

Image and Video Processing · Electrical Eng. & Systems 2021-02-02 Andrew Rittenbach , John Paul Walters

We present an extension to masked autoencoders (MAE) which improves on the representations learnt by the model by explicitly encouraging the learning of higher scene-level features. We do this by: (i) the introduction of a perceptual…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Samyakh Tukra , Frederick Hoffman , Ken Chatfield

Deep learning models are known to be vulnerable to adversarial examples that are elaborately designed for malicious purposes and are imperceptible to the human perceptual system. Autoencoder, when trained solely over benign examples, has…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Zhaoxi Zhang , Leo Yu Zhang , Xufei Zheng , Jinyu Tian , Jiantao Zhou

In the fast-evolving field of artificial intelligence, where models are increasingly growing in complexity and size, the availability of labeled data for training deep learning models has become a significant challenge. Addressing complex…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 Santiago C. Vilabella , Pablo Pérez-Núñez , Beatriz Remeseiro