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Automatic Target Recognition (ATR) algorithms classify a given Synthetic Aperture Radar (SAR) image into one of the known target classes using a set of training images available for each class. Recently, learning methods have shown to…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Tushar Agarwal , Nithin Sugavanam , Emre Ertin

Symmetric objects are common in daily life and industry, yet their inherent orientation ambiguities that impede the training of deep learning networks for pose estimation are rarely discussed in the literature. To cope with these…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Andreas Kriegler , Csaba Beleznai , Margrit Gelautz

Existing open set recognition (OSR) methods are typically designed for static scenarios, where models aim to classify known classes and identify unknown ones within fixed scopes. This deviates from the expectation that the model should…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Runqing Yang , Yimin Fu , Changyuan Wu , Zhunga Liu

Zero-Shot Learning (ZSL) promises to scale visual recognition by bypassing the conventional model training requirement of annotated examples for every category. This is achieved by establishing a mapping connecting low-level features and a…

计算机视觉与模式识别 · 计算机科学 2016-11-29 Xun Xu , Timothy M. Hospedales , Shaogang Gong

In synthetic aperture radar (SAR), images are formed by focusing the response of stationary objects to a single spatial location. On the other hand, moving targets cause phase errors in the standard formation of SAR images that cause…

信息论 · 计算机科学 2013-02-20 Gregory E. Newstadt , Edmund G. Zelnio , Alfred O. Hero

We present LASER, an image-based Monte Carlo Localization (MCL) framework for 2D floor maps. LASER introduces the concept of latent space rendering, where 2D pose hypotheses on the floor map are directly rendered into a…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Zhixiang Min , Naji Khosravan , Zachary Bessinger , Manjunath Narayana , Sing Bing Kang , Enrique Dunn , Ivaylo Boyadzhiev

In the context of Synthetic Aperture Radar (SAR) image recognition, traditional methods often struggle with the intrinsic limitations of SAR data, such as weak texture, high noise, and ambiguous object boundaries. This work explores a novel…

信号处理 · 电气工程与系统科学 2025-07-15 Chaoran Li , Xingguo Xu , Siyuan Mu

Zero-shot learning (ZSL) which aims to recognize unseen object classes by only training on seen object classes, has increasingly been of great interest in Machine Learning, and has registered with some successes. Most existing ZSL methods…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Wen Tang , Ashkan Panahi , Hamid Krim

We study reinforcement learning (RL) in settings where observations are high-dimensional, but where an RL agent has access to abstract knowledge about the structure of the state space, as is the case, for example, when a robot is tasked to…

机器学习 · 计算机科学 2022-05-31 Yao Liu , Dipendra Misra , Miro Dudík , Robert E. Schapire

Shuffled linear regression (SLR) seeks to estimate latent features through a linear transformation, complicated by unknown permutations in the measurement dimensions. This problem extends traditional least-squares (LS) and Least Absolute…

统计理论 · 数学 2025-04-17 Hang Liu , Anna Scaglione

Automotive radar sensors play a key role in the current development of autonomous driving. Their ability to detect objects even under adverse conditions makes them indispensable for environment-sensing tasks in autonomous vehicles. The…

信号处理 · 电气工程与系统科学 2024-10-28 Axel Diewald , Benjamin Nuß , Mario Pauli , Thomas Zwick

Reliable automatic target segmentation in Synthetic Aperture Radar (SAR) imagery has played an important role in the SAR fields. Different from the traditional methods, Spectral Residual (SR) and CFAR detector, with the recent adavance in…

图像与视频处理 · 电气工程与系统科学 2023-08-16 Chenwei Wang , Jifang Pei , Yulin Huang , Jianyu Yang

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

Synthetic Aperture Radar (SAR) imaging is capable of observing objects in nearly all weather and illumination conditions and has become an indispensable means of information acquisition for analysis and recognition of objects and scenes.…

图像与视频处理 · 电气工程与系统科学 2026-03-03 Jie Zhou , Yongxiang Liu , Li Liu , Weijie Li , Bowen Peng , Yafei Song , Gangyao Kuang , Xiang Li

Recently, despite the remarkable advancements in object detection, modern detectors still struggle to detect tiny objects in aerial images. One key reason is that tiny objects carry limited features that are inevitably degraded or lost…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Jinfu Li , Yuqi Huang , Hong Song , Ting Wang , Jianghan Xia , Yucong Lin , Jingfan Fan , Jian Yang

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…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Minjun Kim , Ohtae Jang , Haekang Song , Heesub Shin , Jaewoo Ok , Minyoung Back , Jaehyuk Youn , Sungho Kim

The intelligent reflecting surface (IRS) technology has recently attracted a lot of interest in wireless communications research. An IRS consists of passive reflective elements capable of tuning the phase, amplitude, frequency and…

信号处理 · 电气工程与系统科学 2022-06-06 Zahra Esmaeilbeig , Kumar Vijay Mishra , Mojtaba Soltanalian

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…

图像与视频处理 · 电气工程与系统科学 2023-08-11 Chenwei Wang , Yulin Huang , Xiaoyu Liu , Jifang Pei , Yin Zhang , Jianyu Yang

3D reconstruction of a scene from Synthetic Aperture Radar (SAR) images mainly relies on interferometric measurements, which involve strict constraints on the acquisition process. These last years, progress in deep learning has…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Emile Barbier--Renard , Florence Tupin , Nicolas Trouvé , Loïc Denis

This paper investigates signle-antenna radar imaging with a reconfigurable intelligent surface (RIS). Configuring phase shifts in a RIS-aided radar system can be thought as synthetic aperture radar (SAR) imaging with a moving virtual…

信号处理 · 电气工程与系统科学 2024-12-19 Furkan H. Ilgac , Mounia Bouabdellah , Aydin Sezgin