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The proliferation of deepfake media is raising concerns among the public and relevant authorities. It has become essential to develop countermeasures against forged faces in social media. This paper presents a comprehensive study on two new…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Trung-Nghia Le , Huy H. Nguyen , Junichi Yamagishi , Isao Echizen

In this paper, we present a subsystem, using Unmanned Aerial Vehicles (UAV), for search and rescue missions, focusing on people detection, face recognition and tracking of identified individuals. The proposed solution integrates a UAV with…

Robotics · Computer Science 2025-07-25 Luka Šiktar , Branimir Ćaran , Bojan Šekoranja , Marko Švaco

The primary contribution of this paper is a challenging benchmark dataset, UAVPairs, and a training pipeline designed for match pair retrieval of large-scale UAV images. First, the UAVPairs dataset, comprising 21,622 high-resolution images…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Junhuan Liu , San Jiang , Wei Ge , Wei Huang , Bingxuan Guo , Qingquan Li

Humans are arguably one of the most important subjects in video streams, many real-world applications such as video summarization or video editing workflows often require the automatic search and retrieval of a person of interest. Despite…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Juan Leon Alcazar , Long Mai , Federico Perazzi , Joon-Young Lee , Pablo Arbelaez , Bernard Ghanem , Fabian Caba Heilbron

With the increasing reliance on small Unmanned Aerial Systems (sUAS) for Emergency Response Scenarios, such as Search and Rescue, the integration of computer vision capabilities has become a key factor in mission success. Nevertheless,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Arturo Miguel Russell Bernal , Walter Scheirer , Jane Cleland-Huang

Multi-modal perception is essential for unmanned aerial vehicle (UAV) operations, as it enables a comprehensive understanding of the UAVs' surrounding environment. However, most existing multi-modal UAV datasets are primarily biased toward…

Face recognition technology has advanced significantly in recent years due largely to the availability of large and increasingly complex training datasets for use in deep learning models. These datasets, however, typically comprise images…

Object detection in fire rescue scenarios is importance for command and decision-making in firefighting operations. However, existing research still suffers from two main limitations. First, current work predominantly focuses on…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Qingyu Xu , Runtong Zhang , Zihuan Qiu , Fanman Meng

Unmanned Aerial Vehicles (UAVs) equipped with high-resolution sensors enable extensive data collection from previously inaccessible areas at a remarkable spatio-temporal scale, promising to revolutionize fields such as precision agriculture…

Robotics · Computer Science 2024-07-19 Harnaik Dhami

Fully autonomous drones have been demonstrated to find lost or injured persons under strongly occluding forest canopy. Airborne Optical Sectioning (AOS), a novel synthetic aperture imaging technique, together with deep-learning-based…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Indrajit Kurmi , David C. Schedl , Oliver Bimber

Advancements in deep neural networks have contributed to near perfect results for many computer vision problems such as object recognition, face recognition and pose estimation. However, human action recognition is still far from…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Asanka G. Perera , Yee Wei Law , Titilayo T. Ogunwa , Javaan Chahl

In this letter, we present a novel markerless 3D human motion capture (MoCap) system for unstructured, outdoor environments that uses a team of autonomous unmanned aerial vehicles (UAVs) with on-board RGB cameras and computation. Existing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Nitin Saini , Elia Bonetto , Eric Price , Aamir Ahmad , Michael J. Black

Multi-camera full-body pose capture of humans and animals in outdoor environments is a highly challenging problem. Our approach to it involves a team of cooperating micro aerial vehicles (MAVs) with on-board cameras only. The key…

Robotics · Computer Science 2023-12-21 Eric Price , Guilherme Lawless , Heinrich H. Bülthoff , Michael Black , Aamir Ahmad

Robust depth perception in visually-degraded environments is crucial for autonomous aerial systems. Thermal imaging cameras, which capture infrared radiation, are robust to visual degradation. However, due to lack of a large-scale dataset,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Devansh Dhrafani , Yifei Liu , Andrew Jong , Ukcheol Shin , Yao He , Tyler Harp , Yaoyu Hu , Jean Oh , Sebastian Scherer

Place recognition is essential to maintain global consistency in large-scale localization systems. While research in urban environments has progressed significantly using LiDARs or cameras, applications in natural forest-like environments…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Yanqing Shen , Turcan Tuna , Marco Hutter , Cesar Cadena , Nanning Zheng

Sensor-equipped unoccupied aerial vehicles (UAVs) have the potential to help reduce search times and alleviate safety risks for first responders carrying out Wilderness Search and Rescue (WiSAR) operations, the process of finding and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Daniel Broyles , Christopher R. Hayner , Karen Leung

This paper presents a new large scale multi-person tracking dataset -- \texttt{PersonPath22}, which is over an order of magnitude larger than currently available high quality multi-object tracking datasets such as MOT17, HiEve, and MOT20…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Bing Shuai , Alessandro Bergamo , Uta Buechler , Andrew Berneshawi , Alyssa Boden , Joseph Tighe

Recent advancements in visual odometry systems have improved autonomous navigation; however, challenges persist in complex environments like forests, where dense foliage, variable lighting, and repetitive textures compromise feature…

Robotics · Computer Science 2025-04-03 Thomas Pritchard , Saifullah Ijaz , Ronald Clark , Basaran Bahadir Kocer

Forests are vital for the wellbeing of our planet. Large and small scale deforestation across the globe is threatening the stability of our climate, forest biodiversity, and therefore the preservation of fragile ecosystems and our natural…

Methodology · Statistics 2022-05-25 Johannes N. Hansen , Edward T. A. Mitchard , Stuart King

We address the problem of whole-body person recognition in unconstrained environments. This problem arises in surveillance scenarios such as those in the IARPA Biometric Recognition and Identification at Altitude and Range (BRIAR) program,…