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Automatic Target Recognition (ATR) for military applications is one of the core processes towards enhancing intelligencer and autonomously operating military platforms. Spurred by this and given that Synthetic Aperture Radar (SAR) presents…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 O. Kechagias-Stamatis , N. Aouf

Synthetic aperture radar technology is crucial for high-resolution imaging under various conditions; however, the acquisition of real-world synthetic aperture radar data for deep learning-based automatic target recognition remains…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Minjun Kim , Ohtae Jang , Haekang Song , Heesub Shin , Jaewoo Ok , Minyoung Back , Jaehyuk Youn , Sungho Kim

Synthetic aperture radar (SAR) imaging technology is commonly used to provide 24-hour all-weather earth observation. However, it still has some drawbacks in SAR target classification, especially in fine-grained classification of aircraft:…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Bingying Yue , Jianhao Li , Hao Shi , Yupei Wang , Honghu Zhong

Recently, change detection methods for synthetic aperture radar (SAR) images based on convolutional neural networks (CNN) have gained increasing research attention. However, existing CNN-based methods neglect the interactions among…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Desen Meng , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

Synthetic Aperture Radar SAR Automatic Target Recognition ATR is a key technique of remote-sensing image recognition which can be supported by deep neural networks The existing works of SAR ATR mostly focus on improving the accuracy of the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Jacob Fein-Ashley , Tian Ye , Rajgopal Kannan , Viktor Prasanna , Carl Busart

Without sufficient data, the quantity of information available for supervised training is constrained, as obtaining sufficient synthetic aperture radar (SAR) training data in practice is frequently challenging. Therefore, current SAR…

Image and Video Processing · Electrical Eng. & Systems 2023-09-04 Chenwei Wang , Siyi Luo , Yulin Huang , Jifang Pei , Yin Zhang , Jianyu Yang

Traditional synthetic aperture radar image change detection methods based on convolutional neural networks (CNNs) face the challenges of speckle noise and deformation sensitivity. To mitigate these issues, we proposed a Multiscale Capsule…

Image and Video Processing · Electrical Eng. & Systems 2022-01-25 Yunhao Gao , Feng Gao , Junyu Dong , Heng-Chao Li

Advancements in Sonar image capture have enabled researchers to apply sophisticated object identification algorithms in order to locate targets of interest in images such as mines. Despite progress in this field, modern sonar automatic…

Computer Vision and Pattern Recognition · Computer Science 2016-01-05 John McKay , Raghu Raj , Vishal Monga , Jason Isaacs

Despite the remarkable progress in synthetic aperture radar automatic target recognition (SAR ATR), recent efforts have concentrated on detecting and classifying a specific category, e.g., vehicles, ships, airplanes, or buildings. One of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Weijie Li , Wei Yang , Yuenan Hou , Li Liu , Yongxiang Liu , Xiang Li

The outstanding pattern recognition performance of deep learning brings new vitality to the synthetic aperture radar (SAR) automatic target recognition (ATR). However, there is a limitation in current deep learning based ATR solution that…

Computer Vision and Pattern Recognition · Computer Science 2017-12-27 Fan Zhang , Chen Hu , Qiang Yin , Wei Li , Hengchao Li , Wen Hong

The standard architecture of synthetic aperture radar (SAR) automatic target recognition (ATR) consists of three stages: detection, discrimination, and classification. In recent years, convolutional neural networks (CNNs) for SAR ATR have…

Computer Vision and Pattern Recognition · Computer Science 2018-01-29 Hidetoshi Furukawa

This paper proposes AS-ASR, a lightweight aphasia-specific speech recognition framework based on Whisper-tiny, tailored for low-resource deployment on edge devices. Our approach introduces a hybrid training strategy that systematically…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-03 Chen Bao , Chuanbing Huo , Qinyu Chen , Chang Gao

Reliable transmission of 3D point clouds over wireless channels is challenging due to time-varying signal-to-noise ratio (SNR) and limited bandwidth. This paper introduces sensitivity-aware filtering and transmission (SAFT), a learned…

Information Theory · Computer Science 2026-03-30 Huda Adam Sirag Mekki , Hui Yuan , Mohanad M. G. Hassan , Zejia Chen , Guanghui Zhang

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

Synthetic aperture radar (SAR) automatic target recognition (ATR) is the key technique for remote-sensing image recognition. The state-of-the-art convolutional neural networks (CNNs) for SAR ATR suffer from \emph{high computation cost} and…

Hardware Architecture · Computer Science 2023-01-05 Bingyi Zhang , Rajgopal Kannan , Viktor Prasanna , Carl Busart

Radar target recognition (RTR), as a key technology of intelligent radar systems, has been well investigated. Accurate RTR at low signal-to-noise ratios (SNRs) still remains an open challenge. Most existing methods are based on a single…

Signal Processing · Electrical Eng. & Systems 2022-06-14 Han Meng , Yuexing Peng , Wei Xiang , Xu Pang , Wenbo Wang

The inevitable feature deviation of synthetic aperture radar (SAR) image due to the special imaging principle (depression angle variation) leads to poor recognition accuracy, especially in few-shot learning (FSL). To deal with this problem,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Xiangyu Zhou , Qianru Wei , Yuhui Zhang

Recently deep neural networks (DNNs) have achieved significant success in real-world image super-resolution (SR). However, adversarial image samples with quasi-imperceptible noises could threaten deep learning SR models. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Jiutao Yue , Haofeng Li , Pengxu Wei , Guanbin Li , Liang Lin

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

Automatic target recognition (ATR) is an important use case for synthetic aperture radar (SAR) image interpretation. Recent years have seen significant advancements in SAR ATR technology based on semi-supervised learning. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Xinzheng Zhang , Yuqing Luo , Guopeng Li