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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

Adapting models pre-trained on large-scale datasets is a proven way to reach strong performance quickly for down-stream tasks. However, the growth of state-of-the-art mod-els makes traditional full fine-tuning unsuitable and difficult,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Maxime Fontana , Michael Spratling , Miaojing Shi

Along with the improvement of radar technologies, Automatic Target Recognition (ATR) using Synthetic Aperture Radar (SAR) and Inverse SAR (ISAR) has come to be an active research area. SAR/ISAR are radar techniques to generate a…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Carlos Pena-Caballero , Elifaleth Cantu , Jesus Rodriguez , Adolfo Gonzales , Osvaldo Castellanos , Angel Cantu , Megan Strait , Jae Son , Dongchul Kim

This paper proposes a thermal-infrared (TIR) remote target detection system for maritime rescue using deep learning and data augmentation. We established a self-collected TIR dataset consisting of multiple scenes imitating human rescue…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Sungjin Cheong , Wonho Jung , Yoon Seop Lim , Yong-Hwa Park

Automatic Target Recognition (ATR) in Synthetic aperture radar (SAR) images becomes a very challenging problem owing to containing high level noise. In this study, a machine learning-based method is proposed to detect different moving and…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Umut Özkaya

Synthetic aperture radar automatic target recognition (SAR ATR) methods fall short with limited training data. In this letter, we propose a causal interventional ATR method (CIATR) to formulate the problem of limited SAR data which helps us…

Image and Video Processing · Electrical Eng. & Systems 2023-08-21 Chenwei Wang , Xin Chen , You Qin , Siyi Luo , Yulin Huang , Jifang Pei , Jianyu Yang

Recent advances in autoregressive (AR) generative models have produced increasingly powerful systems for media synthesis. Among them, next-scale prediction has emerged as a popular paradigm, where models generate images in a coarse-to-fine…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Gengze Zhou , Chongjian Ge , Hao Tan , Feng Liu , Yicong Hong

Synthetic aperture radar (SAR) imagery exhibits intrinsic information sparsity due to its unique electromagnetic scattering mechanism. Despite the widespread adoption of deep neural network (DNN)-based SAR automatic target recognition…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Yiming Zhang , Weibo Qin , Yuntian Liu , Feng Wang

Aircraft detection in Synthetic Aperture Radar (SAR) imagery is a challenging task in SAR Automatic Target Recognition (SAR ATR) areas due to aircraft's extremely discrete appearance, obvious intraclass variation, small size and serious…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Yan Zhao , Lingjun Zhao , Zhong Liu , Dewen Hu , Gangyao Kuang , Li Liu

Attention mechanisms are critically important in the advancement of synthetic aperture radar (SAR) automatic target recognition (ATR) systems. Traditional SAR ATR models often struggle with the noisy nature of the SAR data, frequently…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Jacob Fein-Ashley , Rajgopal Kannan , Viktor Prasanna

The increased availability of SAR data has raised a growing interest in applying deep learning algorithms. However, the limited availability of labeled data poses a significant challenge for supervised training. This article introduces a…

Signal Processing · Electrical Eng. & Systems 2025-02-04 M. Muzeau , J. Frontera-Pons , Chengfang Ren , J. -P. Ovarlez

Synthetic Aperture Radar (SAR) Automatic Target Recognition (ATR) is a key technique used in military applications like remote-sensing image recognition. Vision Transformers (ViTs) are the current state-of-the-art in various computer vision…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Sachini Wickramasinghe , Dhruv Parikh , Bingyi Zhang , Rajgopal Kannan , Viktor Prasanna , Carl Busart

The growing Synthetic Aperture Radar (SAR) data has the potential to build a foundation model through Self-Supervised Learning (SSL) methods, which can achieve various SAR Automatic Target Recognition (ATR) tasks with pre-training in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Weijie Li , Yang Wei , Tianpeng Liu , Yuenan Hou , Yuxuan Li , Zhen Liu , Yongxiang Liu , Li Liu

Deep learning techniques have achieved significant success in Synthetic Aperture Radar (SAR) target recognition using predefined datasets in static scenarios. However, real-world applications demand that models incrementally learn new…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 George Karantaidis , Athanasios Pantsios , Ioannis Kompatsiaris , Symeon Papadopoulos

Due to its all-weather and day-and-night capabilities, Synthetic Aperture Radar imagery is essential for various applications such as disaster management, earth monitoring, change detection and target recognition. However, the scarcity of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Max Muzeau , Joana Frontera-Pons , Chengfang Ren , Jean-Philippe Ovarlez

In Unsupervised Domain Adaptive Semantic Segmentation (UDA-SS), a model is trained on labeled source domain data (e.g., synthetic images) and adapted to an unlabeled target domain (e.g., real-world images) without access to target…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Md. Al-Masrur Khan , Durgakant Pushp , Lantao Liu

Satellite-based Synthetic Aperture Radar (SAR) images can be used as a source of remote sensed imagery regardless of cloud cover and day-night cycle. However, the speckle noise and varying image acquisition conditions pose a challenge for…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Janne Alatalo , Tuomo Sipola , Mika Rantonen

Existing synthetic aperture radar automatic target recognition (SAR ATR) methods have been effective for the classification of seen target classes. However, it is more meaningful and challenging to distinguish the unseen target classes,…

Image and Video Processing · Electrical Eng. & Systems 2023-08-22 Chenwei Wang , Siyi Luo , Jifang Pei , Xiaoyu Liu , Yulin Huang , Yin Zhang , Jianyu Yang

We present a visual-context image-retrieval-augmented generation (ImageRAG)- assisted AI agent for automatic target recognition (ATR) of synthetic aperture radar (SAR) imagery. SAR is a remote sensing method used in defense and security…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 David F. Ramirez , Tim Overman , Kristen Jaskie , Joe Marvin , Andreas Spanias

Convolutional neural networks (CNNs) have dominated the synthetic aperture radar (SAR) automatic target recognition (ATR) for years. However, under the limited SAR images, the width and depth of the CNN-based models are limited, and the…

Image and Video Processing · Electrical Eng. & Systems 2023-08-11 Chenwei Wang , Yulin Huang , Xiaoyu Liu , Jifang Pei , Yin Zhang , Jianyu Yang