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Visual Tracking is a complex problem due to unconstrained appearance variations and dynamic environment. Extraction of complementary information from the object environment via multiple features and adaption to the target's appearance…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Kapil Sharma , Himanshu Ahuja , Ashish Kumar , Nipun Bansal , Gurjit Singh Walia

This work introduces a new preprocessing step for object detection applicable to UAV bird's eye view imagery, which we call Adaptive Resizing. By design, it helps alleviate the challenges coming with the vast variances in objects' scales,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Martin Messmer , Benjamin Kiefer , Andreas Zell

Unmanned aerial vehicle (UAV) tracking is critical for applications like surveillance, search-and-rescue, and autonomous navigation. However, the high-speed movement of UAVs and targets introduces unique challenges, including real-time…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 You Wu , Xucheng Wang , Dan Zeng , Hengzhou Ye , Xiaolan Xie , Qijun Zhao , Shuiwang Li

With the rapid growth of the low-altitude economy, UAVs have become crucial for measurement and tracking in patrol systems. However, in GNSS-denied areas, satellite-based localization methods are prone to failure. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Tao Liu , Kan Ren , Qian Chen

Multi-camera vehicle tracking is one of the most complicated tasks in Computer Vision as it involves distinct tasks including Vehicle Detection, Tracking, and Re-identification. Despite the challenges, multi-camera vehicle tracking has…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Pirazh Khorramshahi , Vineet Shenoy , Michael Pack , Rama Chellappa

As unmanned aerial vehicles (UAVs) become more accessible with a growing range of applications, the potential risk of UAV disruption increases. Recent development in deep learning allows vision-based counter-UAV systems to detect and track…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Daniel Organisciak , Matthew Poyser , Aishah Alsehaim , Shanfeng Hu , Brian K. S. Isaac-Medina , Toby P. Breckon , Hubert P. H. Shum

The vision of unmanned aerial vehicles is very significant for UAV-related applications such as search and rescue, landing on a moving platform, etc. In this work, we have developed an integrated system for the UAV landing on the moving…

Robotics · Computer Science 2023-01-03 Kangcheng Liu

Autonomous tracking of flying aerial objects has important civilian and defense applications, ranging from search and rescue to counter-unmanned aerial systems (counter-UAS). Ground based tracking requires setting up infrastructure, could…

We address the task of aligning CAD models to a video sequence of a complex scene containing multiple objects. Our method can process arbitrary videos and fully automatically recover the 9 DoF pose for each object appearing in it, thus…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Kevis-Kokitsi Maninis , Stefan Popov , Matthias Nießner , Vittorio Ferrari

Recent approaches for high accuracy detection and tracking of object categories in video consist of complex multistage solutions that become more cumbersome each year. In this paper we propose a ConvNet architecture that jointly performs…

Computer Vision and Pattern Recognition · Computer Science 2018-03-08 Christoph Feichtenhofer , Axel Pinz , Andrew Zisserman

In some scenarios, a single input image may not be enough to allow the object classification. In those cases, it is crucial to explore the complementary information extracted from images presenting the same object from multiple perspectives…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Gabriel Machado , Keiller Nogueira , Matheus Barros Pereira , Jefersson Alex dos Santos

Visual object tracking is a significant computer vision task which can be applied to many domains such as visual surveillance, human computer interaction, and video compression. In the literature, researchers have proposed a variety of 2D…

Computer Vision and Pattern Recognition · Computer Science 2013-03-21 Xi Li , Weiming Hu , Chunhua Shen , Zhongfei Zhang , Anthony Dick , Anton van den Hengel

Unsupervised learning from visual data is one of the most difficult challenges in computer vision, being a fundamental task for understanding how visual recognition works. From a practical point of view, learning from unsupervised visual…

Computer Vision and Pattern Recognition · Computer Science 2017-04-03 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

This paper is a brief report to our submission to the VIPriors Action Recognition Challenge. Action recognition has attracted many researchers attention for its full application, but it is still challenging. In this paper, we study previous…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Zhipeng Luo , Dawei Xu , Zhiguang Zhang

Drones, or general UAVs, equipped with cameras have been fast deployed with a wide range of applications, including agriculture, aerial photography, and surveillance. Consequently, automatic understanding of visual data collected from…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Pengfei Zhu , Longyin Wen , Dawei Du , Xiao Bian , Heng Fan , Qinghua Hu , Haibin Ling

This paper proposes a thresholding approach for crack detection in an unmanned aerial vehicle (UAV) based infrastructure inspection system. The proposed algorithm performs recursively on the intensity histogram of UAV-taken images to…

Computer Vision and Pattern Recognition · Computer Science 2018-12-20 Q. Zhu , T. H. Dinh , V. T. Hoang , M. D. Phung , Q. P. Ha

Tracking objects of interest in a video is one of the most popular and widely applicable problems in computer vision. However, with the years, a Cambrian explosion of use cases and benchmarks has fragmented the problem in a multitude of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Zhongdao Wang , Hengshuang Zhao , Ya-Li Li , Shengjin Wang , Philip H. S. Torr , Luca Bertinetto

Assessing collision risk is a critical challenge to effective traffic safety management. The deployment of unmanned aerial vehicles (UAVs) to address this issue has shown much promise, given their wide visual field and movement flexibility.…

Robotics · Computer Science 2021-10-14 Shuya Zong , Sikai Chen , Majed Alinizzi , Yujie Li , Samuel Labi

In this work, we present our winning solution for the 8th UG2+ Challenge (CVPR 2026) Track 1: Image Restoration under All-weather Conditions. Our method is built upon the strong baseline framework X-Restormer, which effectively captures…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Youwei Pan , Leilei Cao , Yingfang Zhu , Fengjie Zhu

Semantic segmentation has been one of the leading research interests in computer vision recently. It serves as a perception foundation for many fields, such as robotics and autonomous driving. The fast development of semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Ye Lyu , George Vosselman , Guisong Xia , Alper Yilmaz , Michael Ying Yang