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An object detection pipeline comprises a camera that captures the scene and an object detector that processes these images. The quality of the images directly affects the performance of the object detector. Many works nowadays focus either…

Robotics · Computer Science 2022-07-20 Leon Amadeus Varga , Sebastian Koch , Andreas Zell

We consider the problem of tracking an unknown small target from aerial videos of medium to high altitudes. This is a challenging problem, which is even more pronounced in unavoidable scenarios of drastic camera motion and high density. To…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Seyed Mojtaba Marvasti-Zadeh , Javad Khaghani , Hossein Ghanei-Yakhdan , Shohreh Kasaei , Li Cheng

Dangerous surroundings and difficult-to-reach landscapes introduce significant complications for adequate disaster management and recuperation. These problems can be solved by engaging unmanned aerial vehicles (UAVs) provided with embedded…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Branislava Jankovic , Sabina Jangirova , Waseem Ullah , Latif U. Khan , Mohsen Guizani

Depth completion and object detection are two crucial tasks often used for aerial 3D mapping, path planning, and collision avoidance of Uncrewed Aerial Vehicles (UAVs). Common solutions include using measurements from a LiDAR sensor;…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Sara Hatami Gazani , Fardad Dadboud , Miodrag Bolic , Iraj Mantegh , Homayoun Najjaran

Detecting objects in aerial images is challenging for at least two reasons: (1) target objects like pedestrians are very small in pixels, making them hardly distinguished from surrounding background; and (2) targets are in general sparsely…

Computer Vision and Pattern Recognition · Computer Science 2019-08-28 Fan Yang , Heng Fan , Peng Chu , Erik Blasch , Haibin Ling

Infrared small target detection (IRSTD) aims to identify and distinguish small targets from complex backgrounds. Leveraging the powerful multi-scale feature fusion capability of the U-Net architecture, IRSTD has achieved significant…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yingmei Zhang , Wangtao Bao , Yong Yang , Weiguo Wan , Qin Xiao , Xueting Zou

Visual object tracking has boosted extensive intelligent applications for unmanned aerial vehicles (UAVs). However, the state-of-the-art (SOTA) enhancers for nighttime UAV tracking always neglect the uneven light distribution in low-light…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Liangliang Yao , Changhong Fu , Yiheng Wang , Haobo Zuo , Kunhan Lu

Existing point cloud based 3D detectors are designed for the particular scene, either indoor or outdoor ones. Because of the substantial differences in object distribution and point density within point clouds collected from various…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Zhenyu Wang , Yali Li , Xi Chen , Hengshuang Zhao , Shengjin Wang

Unmanned Aerial Vehicles (UAV) can pose a major risk for aviation safety, due to both negligent and malicious use. For this reason, the automated detection and tracking of UAV is a fundamental task in aerial security systems. Common…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Brian K. S. Isaac-Medina , Matt Poyser , Daniel Organisciak , Chris G. Willcocks , Toby P. Breckon , Hubert P. H. Shum

Due to the complicated background and noise of infrared images, infrared small target detection is one of the most difficult problems in the field of computer vision. In most existing studies, semantic segmentation methods are typically…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Yuhang Chen , Liyuan Li , Xin Liu , Xiaofeng Su , Fansheng Chen

Recently, DEtection TRansformer (DETR), an end-to-end object detection pipeline, has achieved promising performance. However, it requires large-scale labeled data and suffers from domain shift, especially when no labeled data is available…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Jinze Yu , Jiaming Liu , Xiaobao Wei , Haoyi Zhou , Yohei Nakata , Denis Gudovskiy , Tomoyuki Okuno , Jianxin Li , Kurt Keutzer , Shanghang Zhang

The unmanned air-vehicle (UAV) or mini-drones equipped with sensors are becoming increasingly popular for various commercial, industrial, and public-safety applications. However, drones with uncontrolled deployment poses challenges for…

Networking and Internet Architecture · Computer Science 2017-10-09 Zeeshan Kaleem , Mubashir Husain Rehmani

In the last twenty years, unmanned aerial vehicles (UAVs) have garnered growing interest due to their expanding applications in both military and civilian domains. Detecting non-cooperative aerial vehicles with efficiency and estimating…

Infrared small target detection (IRSTD) faces significant challenges due to the low signal-to-noise ratio (SNR), small target size, and complex cluttered backgrounds. Although recent DETR-based detectors benefit from global context…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Yuteng Liu , Duanni Meng , Maoxun Yuan , Xingxing Wei

Small object detection (SOD) in anti-UAV task is a challenging problem due to the small size of UAVs and complex backgrounds. Traditional frame-based cameras struggle to detect small objects in complex environments due to their low frame…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Nuo Chen , Chao Xiao , Yimian Dai , Shiman He , Miao Li , Wei An

3D object detection is a significant task for autonomous driving. Recently with the progress of vision transformers, the 2D object detection problem is being treated with the set-to-set loss. Inspired by these approaches on 2D object…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Gopi Krishna Erabati , Helder Araujo

Dense object detection is widely used in automatic driving, video surveillance, and other fields. This paper focuses on the challenging task of dense object detection. Currently, detection methods based on greedy algorithms, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Yueming Huang , Chenrui Ma , Hao Zhou , Hao Wu , Guowu Yuan

This paper presents a sparse denoising autoencoder (SDAE)-based deep neural network (DNN) for the direction finding (DF) of small unmanned aerial vehicles (UAVs). It is motivated by the practical challenges associated with classical DF…

Signal Processing · Electrical Eng. & Systems 2018-12-31 Samith Abeywickrama , Lahiru Jayasinghe , Hua Fu , Subashini Nissanka , Chau Yuen

Computer vision-based object detection is a key modality for advanced Detect-And-Avoid systems that allow for autonomous flight missions of UAVs. While standard object detection frameworks do not predict the actual depth of an object, this…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 David Silva , Nicolas Jourdan , Nils Gählert

Unmanned Aerial Vehicle (UAV)-based Road Damage Detection (RDD) is important for daily maintenance and safety in cities, especially in terms of significantly reducing labor costs. However, current UAV-based RDD research is still faces many…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Weichao Pan , Xu Wang , Wenqing Huan