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In recent years, deep learning-based visual object trackers have achieved state-of-the-art performance on several visual object tracking benchmarks. However, most tracking benchmarks are focused on ground level videos, whereas aerial…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Abu Md Niamul Taufique , Breton Minnehan , Andreas Savakis

The Kalman filter is a fundamental tool for state estimation in dynamical systems. While originally developed for linear Gaussian settings, it has been extended to nonlinear problems through approaches such as the extended and unscented…

最优化与控制 · 数学 2025-09-10 Yuan Wu , Sicheng He

This paper presents the first end-to-end framework that combines guidance, navigation, and centralised task allocation for multiple UAVs performing autonomous search-and-rescue (SAR) in GNSS-denied indoor environments. A Twin Delayed Deep…

机器人学 · 计算机科学 2026-02-17 Thomas Hickling , Maxwell Hogan , Abdulla Tammam , Nabil Aouf

Correlation Filter-based trackers have recently achieved excellent performance, showing great robustness to challenging situations exhibiting motion blur and illumination changes. However, since the model that they learn depends strongly on…

计算机视觉与模式识别 · 计算机科学 2016-04-14 Luca Bertinetto , Jack Valmadre , Stuart Golodetz , Ondrej Miksik , Philip Torr

Generally, current image manipulation detection models are simply built on manipulation traces. However, we argue that those models achieve sub-optimal detection performance as it tends to: 1) distinguish the manipulation traces from a lot…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Wenyan Pan , Zhili Zhou , Guangcan Liu , Teng Huang , Hongyang Yan , Q. M. Jonathan Wu

In recent years, there has been significant advancement in object detection. However, applying off-the-shelf detectors to a new domain leads to significant performance drop, caused by the domain gap. These detectors exhibit higher-variance…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Chenguang Liu , Yongchao Feng , Yanan Zhang , Qingjie Liu , Yunhong Wang

With the advantage of high mobility, Unmanned Aerial Vehicles (UAVs) are used to fuel numerous important applications in computer vision, delivering more efficiency and convenience than surveillance cameras with fixed camera angle, scale…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Dawei Du , Yuankai Qi , Hongyang Yu , Yifan Yang , Kaiwen Duan , Guorong Li , Weigang Zhang , Qingming Huang , Qi Tian

This paper investigates the problem of detection and classification of unmanned aerial vehicles (UAVs) in the presence of wireless interference signals using a passive radio frequency (RF) surveillance system. The system uses a multistage…

信号处理 · 电气工程与系统科学 2019-09-13 Martins Ezuma , Fatih Erden , Chethan Kumar Anjinappa , Ozgur Ozdemir , Ismail Guvenc

Despite huge success in the image domain, modern detection models such as Faster R-CNN have not been used nearly as much for video analysis. This is arguably due to the fact that detection models are designed to operate on single frames and…

计算机视觉与模式识别 · 计算机科学 2018-12-12 Gedas Bertasius , Christoph Feichtenhofer , Du Tran , Jianbo Shi , Lorenzo Torresani

Traditional tracking-by-detection systems typically employ Kalman filters (KF) for state estimation. However, the KF requires domain-specific design choices and it is ill-suited to handling non-linear motion patterns. To address these…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Momir Adžemović , Predrag Tadić , Andrija Petrović , Mladen Nikolić

Current image fusion methods struggle to adapt to real-world environments encompassing diverse degradations with spatially varying characteristics. To address this challenge, we propose a robust fusion controller (RFC) capable of achieving…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Hao Zhang , Yanping Zha , Qingwei Zhuang , Zhenfeng Shao , Jiayi Ma

Unmanned Aerial Vehicle (UAV) offers lots of applications in both commerce and recreation. With this, monitoring the operation status of UAVs is crucially important. In this work, we consider the task of tracking UAVs, providing rich…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Nan Jiang , Kuiran Wang , Xiaoke Peng , Xuehui Yu , Qiang Wang , Junliang Xing , Guorong Li , Jian Zhao , Guodong Guo , Zhenjun Han

The measurement of shape parameters of sources in astronomical images is usually performed by assuming that the underlying noise is uncorrelated. Spatial noise correlation is however present in practice due to various observational effects…

天体物理学 · 物理学 2007-05-23 A. Refregier , S. T. Brown

Feature compression is increasingly important for improving the efficiency of downstream tasks, especially in applications involving large-scale or multi-modal data. While existing methods typically rely on dedicated models for achieving…

计算机视觉与模式识别 · 计算机科学 2026-02-13 Yufan Liu , Daoyuan Ren , Zhipeng Zhang , Wenyang Luo , Bing Li , Weiming Hu , Stephen Maybank

Angular filter refractometry is an optical diagnostic that measures absolute contours of line-integrated density gradient by placing a filter with alternating opaque and transparent zones in the focal plane of a probe beam, which produce…

等离子体物理 · 物理学 2023-11-30 P. V. Heuer , D. Haberberger , S. T. Ivancic , C. A. Walsh , J. R. Davies

Rotated object detection in aerial images has received increasing attention for a wide range of applications. However, it is also a challenging task due to the huge variations of scale, rotation, aspect ratio, and densely arranged targets.…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Feng Zhang , Xueying Wang , Shilin Zhou , Yingqian Wang

Though neural radiance fields (NeRF) have demonstrated impressive view synthesis results on objects and small bounded regions of space, they struggle on "unbounded" scenes, where the camera may point in any direction and content may exist…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Jonathan T. Barron , Ben Mildenhall , Dor Verbin , Pratul P. Srinivasan , Peter Hedman

Deformable multi-contrast image registration is a challenging yet crucial task due to the complex, non-linear intensity relationships across different imaging contrasts. Conventional registration methods typically rely on iterative…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Yinsong Wang , Xinzhe Luo , Siyi Du , Chen Qin

Aberrations limit optical systems in many situations, for example when imaging in biological tissue. Machine learning offers novel ways to improve imaging under such conditions by learning inverse models of aberrations. Learning requires…

光学 · 物理学 2021-04-30 Ivan Vishniakou , Johannes D. Seelig

In pulse-echo ultrasound, aberration often degrades image quality when beamforming does not account for wavefront distortions. To address this issue, local sound speed estimators have been developed in the past decade for distributed…