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This paper proposes a few-shot method based on Faster R-CNN and representation learning for object detection in aerial images. The two classification branches of Faster R-CNN are replaced by prototypical networks for online adaptation to…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Pierre Le Jeune , Mustapha Lebbah , Anissa Mokraoui , Hanene Azzag

To ensure the security of airports, it is essential to protect the airside from unauthorized access. For this purpose, security fences are commonly used, but they require regular inspection to detect damages. However, due to the growing…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Nils Friederich , Andreas Specker , Jürgen Beyerer

Many multi-object tracking (MOT) methods follow the framework of "tracking by detection", which associates the target objects-of-interest based on the detection results. However, due to the separate models for detection and association, the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 JiaXu Wan , Hong Zhang , Jin Zhang , Yuan Ding , Yifan Yang , Yan Li , Xuliang Li

Aerial imagery has been increasingly adopted in mission-critical tasks, such as traffic surveillance, smart cities, and disaster assistance. However, identifying objects from aerial images faces the following challenges: 1) objects of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Ziyang Tang , Xiang Liu , Guangyu Shen , Baijian Yang

We propose a novel approach for generating region proposals for performing face-detection. Instead of classifying anchor boxes using features from a pixel in the convolutional feature map, we adopt a pooling-based approach for generating…

Computer Vision and Pattern Recognition · Computer Science 2018-12-14 Mahyar Najibi , Bharat Singh , Larry S. Davis

Recently, Over-the-Air (OTA) computation has emerged as a promising federated learning (FL) paradigm that leverages the waveform superposition properties of the wireless channel to realize fast model updates. Prior work focused on the OTA…

Machine Learning · Computer Science 2024-04-01 Muhammad Faraz Ul Abrar , Nicolò Michelusi

Angle of arrival (AOA) is widely used to locate a wireless signal emitter in unmanned aerial vehicle (UAV) localization. Compared with received signal strength (RSS) and time of arrival (TOA), it has higher accuracy and is not sensitive to…

Signal Processing · Electrical Eng. & Systems 2023-05-17 Baihua Shi , Yifan Li , Guilu Wu , Shihao Yan , Feng Shu

Automatic detection of firearms is important for enhancing the security and safety of people, however, it is a challenging task owing to the wide variations in shape, size, and appearance of firearms. Also, most of the generic object…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Javed Iqbal , Muhammad Akhtar Munir , Arif Mahmood , Afsheen Rafaqat Ali , Mohsen Ali

We demonstrate a Fourier Imaging system with centimeter field of view(FOV), and 0.0042{\deg}angular resolution at C band, for the entire 180{\deg} radiation angular range. To pursue omnidirectional Fourier imaging without aberration, a…

Optics · Physics 2018-09-07 Jinxi Huang

Advances in high resolution remote sensing image analysis are currently hampered by the difficulty of gathering enough annotated data for training deep learning methods, giving rise to a variety of small datasets and associated…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Dimitri Gominski , Valérie Gouet-Brunet , Liming Chen

Arbitrary-oriented object detection (AOOD) is a challenging task to detect objects in the wild with arbitrary orientations and cluttered arrangements. Existing approaches are mainly based on anchor-based boxes or dense points, which rely on…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Linhui Dai , Hong Liu , Hao Tang , Zhiwei Wu , Pinhao Song

Gaze estimation is a crucial task in computer vision, however, existing methods suffer from high computational costs, which limit their practical deployment in resource-limited environments. In this paper, we propose a novel lightweight…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Tao Xu , Bo Wu , Ruilong Fan , Yun Zhou , Di Huang

We present a foveated object detector (FOD) as a biologically-inspired alternative to the sliding window (SW) approach which is the dominant method of search in computer vision object detection. Similar to the human visual system, the FOD…

Computer Vision and Pattern Recognition · Computer Science 2017-11-07 Emre Akbas , Miguel P. Eckstein

Collaborative 3D object detection exploits information exchange among multiple agents to enhance accuracy of object detection in presence of sensor impairments such as occlusion. However, in practice, pose estimation errors due to imperfect…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yifan Lu , Quanhao Li , Baoan Liu , Mehrdad Dianati , Chen Feng , Siheng Chen , Yanfeng Wang

In this paper, we tackle the task of estimating the 3D orientation of previously-unseen objects from monocular images. This task contrasts with the one considered by most existing deep learning methods which typically assume that the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Chen Zhao , Yinlin Hu , Mathieu Salzmann

Angle-of-arrival (AoA) estimation is a crucial function in wireless communications used for localization, beam-forming, interference management, and other applications. Deep learning (DL) solutions have been proposed for AoA to mitigate…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Elsayed Mohammed , Omar Mashaal , Alec Digby , Pasquale Leone , Lorne Swersky , Ashkan Eshaghbeigi , Hatem Abou-Zeid

Arbitrary-oriented object detection has been a building block for rotation sensitive tasks. We first show that the boundary problem suffered in existing dominant regression-based rotation detectors, is caused by angular periodicity or…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Xue Yang , Junchi Yan

Self-attention is one of the most successful designs in deep learning, which calculates the similarity of different tokens and reconstructs the feature based on the attention matrix. Originally designed for NLP, self-attention is also…

Computer Vision and Pattern Recognition · Computer Science 2022-06-27 Xutao Liang , Pinhao Song

Unmanned aerial vehicle object detection (UAV-OD) has been widely used in various scenarios. However, most existing UAV-OD algorithms rely on manually designed components, which require extensive tuning. End-to-end models that do not depend…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Huaxiang Zhang , Kai Liu , Zhongxue Gan , Guo-Niu Zhu

Oriented object detection emerges in many applications from aerial images to autonomous driving, while many existing detection benchmarks are annotated with horizontal bounding box only which is also less costive than fine-grained rotated…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Xue Yang , Gefan Zhang , Wentong Li , Xuehui Wang , Yue Zhou , Junchi Yan
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