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Rotating object detection has wide applications in aerial photographs, remote sensing images, UAVs, etc. At present, most of the rotating object detection datasets focus on the field of remote sensing, and these images are usually shot in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Kai Feng , Weixing Li , Jun Han , Feng Pan , Dongdong Zheng

Popular rotated detection methods usually use five parameters (coordinates of the central point, width, height, and rotation angle) to describe the rotated bounding box and l1-loss as the loss function. In this paper, we argue that the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-23 Wen Qian , Xue Yang , Silong Peng , Yue Guo , Junchi Yan

Effectively describing features for cross-modal remote sensing image matching remains a challenging task due to the significant geometric and radiometric differences between multimodal images. Existing methods primarily extract features at…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Abu Sadat Mohammad Salehin Amit , Xiaoli Zhang , Md Masum Billa Shagar , Zhaojun Liu , Xiongfei Li , Fanlong Meng

Synthetic aperture radar (SAR) enables versatile, all-time, all-weather remote sensing. Coupled with automatic target recognition (ATR) leveraging machine learning (ML), SAR is empowering a wide range of Earth observation and surveillance…

Image and Video Processing · Electrical Eng. & Systems 2026-03-09 Isar Lemeire , Yee Wei Law , Sang-Heon Lee , William Meakin , Tat-Jun Chin

In 6G wireless networks, Artificial Intelligence (AI)-driven applications demand the adoption of Federated Learning (FL) to enable efficient and privacy-preserving model training across distributed devices. Over-The-Air Federated Learning…

Machine Learning · Computer Science 2025-06-23 Zubair Shaban , Nazreen Shah , Ranjitha Prasad

TianQin is a proposed space-based gravitational wave detector mission that employs inter-satellite laser interferometry. Suppressing measurement noise and achieving high sensitivity require accurate alignment of multiple onboard…

General Relativity and Quantum Cosmology · Physics 2025-08-29 Dezhi Wang , Xuefeng Zhang , Hui-Zong Duan

In this paper, we introduce an innovative method to improve the convergence speed and accuracy of object detection neural networks. Our approach, CONVERGE-FAST-AUXNET, is based on employing multiple, dependent loss metrics and weighting…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Benjamin Schnieders , Karl Tuyls

Sensing emerges as a critical challenge in 6G networks, which require simultaneous communication and target sensing capabilities. State-of-the-art super-resolution techniques for the direction of arrival (DoA) estimation encounter…

Signal Processing · Electrical Eng. & Systems 2025-06-17 Murat Babek Salman , Emil Björnson

In this paper, we develop an orthogonal-frequency-division-multiplexing (OFDM)-based over-the-air (OTA) aggregation solution for wireless federated learning (FL). In particular, the local gradients in massive IoT devices are modulated by an…

Signal Processing · Electrical Eng. & Systems 2021-10-28 Huayan Guo , Yifan Zhu , Haoyu Ma , Vincent K. N. Lau , Kaibin Huang , Xiaofan Li , Huabin Nong , Mingyu Zhou

Recently, 3D object detection algorithms based on radar and camera fusion have shown excellent performance, setting the stage for their application in autonomous driving perception tasks. Existing methods have focused on dealing with…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Linhua Kong , Dongxia Chang , Lian Liu , Zisen Kong , Pengyuan Li , Yao Zhao

Deep learning technique has dramatically boosted the performance of face alignment algorithms. However, due to large variability and lack of samples, the alignment problem in unconstrained situations, \emph{e.g}\onedot large head poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Xiehe Huang , Weihong Deng , Haifeng Shen , Xiubao Zhang , Jieping Ye

Orbital angular momentum (OAM) at radio-frequency provides a novel approach of multiplexing a set of orthogonal modes on the same frequency channel to achieve high spectral efficiencies. However, classical phase gradient-based OAM mode…

Signal Processing · Electrical Eng. & Systems 2021-12-01 Jiabei Fan , Rui Chen , Wen-Xuan Long , Marco Moretti , Jiandong Li

Objects in aerial images have greater variations in scale and orientation than in typical images, so detection is more difficult. Convolutional neural networks use a variety of frequency- and orientation-specific kernels to identify objects…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Guo-Ye Yang , Xiang-Li Li , Ralph R. Martin , Shi-Min Hu

To determine the 3D orientation and 3D location of objects in the surroundings of a camera mounted on a robot or mobile device, we developed two powerful algorithms in object detection and temporal tracking that are combined seamlessly for…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 David Joseph Tan , Nassir Navab , Federico Tombari

We consider outdoor optical access points (OAPs), which, enabled by recent advances in metasurface technology, have attracted growing interest. While OAPs promise high data rates and strong physical-layer security, practical deployments…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Meysam Ghanbari , Mohammad Taghi Dabiri , Rula Ammuri , Mazen Hasna , Khalid Qaraqe

Detection Transformers (DETR) have recently set new benchmarks in object detection. However, their performance in detecting rotated objects lags behind established oriented object detectors. Our analysis identifies a key observation: the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Hakjin Lee , MinKi Song , Jamyoung Koo , Junghoon Seo

This work presents Orient Anything V2, an enhanced foundation model for unified understanding of object 3D orientation and rotation from single or paired images. Building upon Orient Anything V1, which defines orientation via a single…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Zehan Wang , Ziang Zhang , Jiayang Xu , Jialei Wang , Tianyu Pang , Chao Du , HengShuang Zhao , Zhou Zhao

As human-machine interaction continues to evolve, the capacity for environmental perception is becoming increasingly crucial. Integrating the two most common types of sensory data, images, and point clouds, can enhance detection accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Kai Luo , Hao Wu , Kefu Yi , Kailun Yang , Wei Hao , Rongdong Hu

We present RiO-DETR: DETR for Real-time Oriented Object Detection, the first real-time oriented detection transformer to the best of our knowledge. Adapting DETR to oriented bounding boxes (OBBs) poses three challenges: semantics-dependent…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Zhangchi Hu , Yifan Zhao , Yansong Peng , Wenzhang Sun , Xiangchen Yin , Jie Chen , Peixi Wu , Hebei Li , Xinghao Wang , Dongsheng Jiang , Xiaoyan Sun

Object detection has been one of the most active topics in computer vision for the past years. Recent works have mainly focused on pushing the state-of-the-art in the general-purpose COCO benchmark. However, the use of such detection…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Manuel Carranza-García , Pedro Lara-Benítez , Jorge García-Gutiérrez , José C. Riquelme