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We propose a novel flow synthesis based visual servoing framework enabling long-range obstacle avoidance for Micro Air Vehicles (MAV) flying amongst tall skyscrapers. Recent deep learning based frameworks use optical flow to do…

Autonomous flight of flapping-wing robots is a major challenge for robot perception. Most of the previous sense-and-avoid works have studied the problem of obstacle avoidance for flapping-wing robots considering only static obstacles. This…

Robotics · Computer Science 2023-10-17 J. P. Rodríguez-Gómez , R. Tapia , M. M. Guzmán , J. R. Martínez-de Dios , A. Ollero

Dynamic obstacle avoidance is one crucial component for compliant navigation in crowded environments. In this paper we present a system for accurate and reliable detection and tracking of dynamic objects using noisy point cloud data…

Robotics · Computer Science 2020-07-22 Thomas Eppenberger , Gianluca Cesari , Marcin Dymczyk , Roland Siegwart , Renaud Dubé

For accomplishing a variety of missions in challenging environments, the capability of navigating with full autonomy while avoiding unexpected obstacles is the most crucial requirement for UAVs in real applications. In this paper, we…

Robotics · Computer Science 2020-12-29 Han Chen , Peng Lu

This paper addresses the problem of traversing through unknown, tilted, and narrow gaps for quadrotors using Deep Reinforcement Learning (DRL). Previous learning-based methods relied on accurate knowledge of the environment, including the…

Robotics · Computer Science 2023-07-03 Yuhan Xie , Minghao Lu , Rui Peng , Peng Lu

This paper describes a system by which Unmanned Aerial Vehicles (UAVs) can gather high-quality face images that can be used in biometric identification tasks. Success in face-based identification depends in large part on the image quality,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-18 Nagashri Lakshminarayana , Yifang Liu , Karthik Dantu , Venu Govindaraju , Nils Napp

Optical flow is a crucial component of the feature space for early visual processing of dynamic scenes especially in new applications such as self-driving vehicles, drones and autonomous robots. The dynamic vision sensors are well suited…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Himanshu Akolkar , SioHoi Ieng , Ryad Benosman

An Unmanned Ariel vehicle (UAV) has greater importance in the army for border security. The main objective of this article is to develop an OpenCV-Python code using Haar Cascade algorithm for object and face detection. Currently, UAVs are…

Computer Vision and Pattern Recognition · Computer Science 2016-11-24 Fares Jalled , Ilia Voronkov

This paper discusses the challenges of detecting and categorizing small drones with radar automatic target recognition (ATR) technology. The authors suggest integrating ATR capabilities into drone detection radar systems to improve…

Signal Processing · Electrical Eng. & Systems 2023-07-21 Jiangkun Gong , Jun Yan , Deyong Kong , Deren Li

Safe navigation of Micro Aerial Vehicles (MAVs) requires not only obstacle-free flight paths according to a static environment map, but also the perception of and reaction to previously unknown and dynamic objects. This implies that the…

Robotics · Computer Science 2019-08-29 Matthias Nieuwenhuisen , Sven Behnke

Autonomous drone racing represents a major frontier in robotics research. It requires an Artificial Intelligence (AI) that can run on board light-weight flying robots under tight resource and time constraints, while pushing the physical…

Autonomous navigation in unknown environments with obstacles remains challenging for micro aerial vehicles (MAVs) due to their limited onboard computing and sensing resources. Although various collision avoidance methods have been…

Robotics · Computer Science 2023-09-19 Ruoyu Wang , Zixuan Guo , Yizhou Chen , Xinyi Wang , Ben M. Chen

Most reinforcement learning(RL)-based methods for drone racing target fixed, obstacle-free tracks, leaving the generalization to unknown, cluttered environments largely unaddressed. This challenge stems from the need to balance racing speed…

Robotics · Computer Science 2025-12-12 Feng Yu , Yu Hu , Yang Su , Yang Deng , Linzuo Zhang , Danping Zou

Two-dimensional multilinked structures can benefit aerial robots in both maneuvering and manipulation because of their deformation ability. However, certain types of singular forms must be avoided during deformation. Hence, an additional 1…

Robotics · Computer Science 2023-01-11 Moju Zhao , Tomoki Anzai , Kei Okada , Masayuki Inaba

In recent years, reports of illegal drones threatening public safety have increased. For the invasion of fully autonomous drones, traditional methods such as radio frequency interference and GPS shielding may fail. This paper proposes a…

Robotics · Computer Science 2024-09-24 Kun Yang , Chenggang Bai , Zhikun She , Quan Quan

Autonomous drone navigation in confined tubular environments remains a major challenge due to the constraining geometry of the conduits, the proximity of the walls, and the perceptual limitations inherent to such scenarios. We propose a…

Robotics · Computer Science 2025-12-12 Zamirddine Mari , Jérôme Pasquet , Julien Seinturier

Estimating the 3D position and orientation of objects in the environment with a single RGB camera is a critical and challenging task for low-cost urban autonomous driving and mobile robots. Most of the existing algorithms are based on the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Yuxuan Liu , Yuan Yixuan , Ming Liu

Due to implicitly introduced periodic shifting of limited searching area, visual object tracking using correlation filters often has to confront undesired boundary effect. As boundary effect severely degrade the quality of object model, it…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Changhong Fu , Ziyuan Huang , Yiming Li , Ran Duan , Peng Lu

We address the problem of joint optical flow and camera motion estimation in rigid scenes by incorporating geometric constraints into an unsupervised deep learning framework. Unlike existing approaches which rely on brightness constancy and…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Shihao Jiang , Dylan Campbell , Miaomiao Liu , Stephen Gould , Richard Hartley

Estimating the motion of the camera together with the 3D structure of the scene from a monocular vision system is a complex task that often relies on the so-called scene rigidity assumption. When observing a dynamic environment, this…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Seokju Lee , Francois Rameau , Fei Pan , In So Kweon
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