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Autonomous flight of pocket drones is challenging due to the severe limitations on on-board energy, sensing, and processing power. However, tiny drones have great potential as their small size allows maneuvering through narrow spaces while…

Robotics · Computer Science 2017-03-16 Kimberly McGuire , Guido de Croon , Christophe de Wagter , Bart Remes , Karl Tuyls , Hilbert Kappen

Real-time high-accuracy optical flow estimation is a crucial component in various applications, including localization and mapping in robotics, object tracking, and activity recognition in computer vision. While recent learning-based…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Zhiyong Zhang , Huaizu Jiang , Hanumant Singh

This paper describes the development of a novel algorithm to tackle the problem of real-time video stabilization for unmanned aerial vehicles (UAVs). There are two main components in the algorithm: (1) By designing a suitable model for the…

Computer Vision and Pattern Recognition · Computer Science 2017-01-16 Anli Lim , Bharath Ramesh , Yue Yang , Cheng Xiang , Zhi Gao , Feng Lin

Optical flow computation with frame-based cameras provides high accuracy but the speed is limited either by the model size of the algorithm or by the frame rate of the camera. This makes it inadequate for high-speed applications. Event…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Ashwin Sanjay Lele , Arijit Raychowdhury

Nano-size unmanned aerial vehicles (UAVs) hold enormous potential to perform autonomous operations in complex environments, such as inspection, monitoring or data collection. Moreover, their small size allows safe operation close to humans…

Signal Processing · Electrical Eng. & Systems 2022-12-02 Hanna Müller , Nicky Zimmerman , Tommaso Polonelli , Michele Magno , Jens Behley , Cyrill Stachniss , Luca Benini

Robust velocity and position estimation is crucial for autonomous robot navigation. The optical flow based methods for autonomous navigation have been receiving increasing attentions in tandem with the development of micro unmanned aerial…

Robotics · Computer Science 2018-12-06 Chen Wang , Tete Ji , Thien-Minh Nguyen , Lihua Xie

This paper presents a high speed implementation of an optical flow algorithm which computes planar velocity fields in an experimental flow. Real-time computation of the flow velocity field allows the experimentalist to have instantaneous…

Fluid Dynamics · Physics 2013-09-26 N. Gautier , J-L. Aider

This paper discusses opportunities to parallelize graph based path planning algorithms in a time varying environment. Parallel architectures have become commonplace, requiring algorithm to be parallelized for efficient execution. An…

Robotics · Computer Science 2020-08-07 Mike Eichhorn , Ulrich Kremer

Autonomous vehicle navigation is a key challenge in artificial intelligence, requiring robust and accurate decision-making processes. This research introduces a new end-to-end method that exploits multimodal information from a single…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Fouad Makiyeh , Mark Bastourous , Anass Bairouk , Wei Xiao , Mirjana Maras , Tsun-Hsuan Wangb , Marc Blanchon , Ramin Hasani , Patrick Chareyre , Daniela Rus

Small flying robots can perform landing maneuvers using bio-inspired optical flow by maintaining a constant divergence. However, optical flow is typically estimated from frame sequences recorded by standard miniature cameras. This requires…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Bas J. Pijnacker Hordijk , Kirk Y. W. Scheper , Guido C. H. E. de Croon

To date, top-performing optical flow estimation methods only take pairs of consecutive frames into account. While elegant and appealing, the idea of using more than two frames has not yet produced state-of-the-art results. We present a…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Zhile Ren , Orazio Gallo , Deqing Sun , Ming-Hsuan Yang , Erik B. Sudderth , Jan Kautz

Event cameras are novel bio-inspired sensors that offer advantages over traditional cameras (low latency, high dynamic range, low power, etc.). Optical flow estimation methods that work on packets of events trade off speed for accuracy,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Shintaro Shiba , Yoshimitsu Aoki , Guillermo Gallego

Optical flow provides information on relative motion that is an important component in many computer vision pipelines. Neural networks provide high accuracy optical flow, yet their complexity is often prohibitive for application at the edge…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Yannick Schnider , Stanislaw Wozniak , Mathias Gehrig , Jules Lecomte , Axel von Arnim , Luca Benini , Davide Scaramuzza , Angeliki Pantazi

Nano quadcopters are small, agile, and cheap platforms that are well suited for deployment in narrow, cluttered environments. Due to their limited payload, these vehicles are highly constrained in processing power, rendering conventional…

Robotics · Computer Science 2022-09-16 Rik J. Bouwmeester , Federico Paredes-Vallés , Guido C. H. E. de Croon

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

Miniature Micro Aerial Vehicles (MAV) are very suitable for flying in indoor environments, but autonomous navigation is challenging due to their strict hardware limitations. This paper presents a highly efficient computer vision algorithm…

Robotics · Computer Science 2017-03-16 Kimberly McGuire , Guido de Croon , Christophe De Wagter , Karl Tuyls , Hilbert Kappen

Real-time high-accuracy optical flow estimation is critical for a variety of real-world robotic applications. However, current learning-based methods often struggle to balance accuracy and computational efficiency: methods that achieve high…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zhiyong Zhang , Aniket Gupta , Huaizu Jiang , Hanumant Singh

Optical Flow (OF) is the movement pattern of pixels or edges that is caused in a visual scene by the relative motion between an agent and a scene. OF is used in a wide range of computer vision algorithms and robotics applications. While the…

Image and Video Processing · Electrical Eng. & Systems 2023-09-25 Jonas Kühne , Michele Magno , Luca Benini

This article introduces a highly parallel algorithm for molecular dynamics simulations with short-range forces on single node multi- and many-core systems. The algorithm is designed to achieve high parallel speedups for strongly…

Computational Physics · Physics 2013-11-20 R. Meyer

We present CompactFlowNet, the first real-time mobile neural network for optical flow prediction, which involves determining the displacement of each pixel in an initial frame relative to the corresponding pixel in a subsequent frame.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Andrei Znobishchev , Valerii Filev , Oleg Kudashev , Nikita Orlov , Humphrey Shi
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