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Existing research has yet to reach a consensus on whether and how small flying animals utilize elastic energy storage mechanisms to reduce flight energy expenditure, and there is a lack of systematic and universal methods for assessment. To…

Biological Physics · Physics 2025-10-06 Shijie Sheng , Jianghao Wu , Renxuan Bo , Long Chen , Yanlai Zhang

We analyze a way to make flight vehicles harvest energy from homogeneous turbulence by fast tracking in the way that falling inertial particles do. Mean airspeed increases relative to flight through quiescent fluid when turbulent eddies…

Fluid Dynamics · Physics 2023-06-22 Scott A. Bollt , Gregory P. Bewley

Measuring the directional distribution of ocean waves is a difficult task in ocean wave research. For many decades, wind-generated waves are assumed to propagate primarily in the wind direction. The concept is applied either implicitly or…

Atmospheric and Oceanic Physics · Physics 2019-07-03 Paul A. Hwang , David W. Wang , James Yungel , Robert N. Swift , William B. Krabill

The flexibility of biological propulsors such as wings and fins is believed to contribute to the higher performance of flying and swimming animals compared with their engineered peers. Flexibility seems to follow a universal design rule…

Fluid Dynamics · Physics 2020-04-16 Lionel Vincent , Min Zheng , John H. Costello , Eva Kanso

Despite significant analysis of bird flight, generative physics models for flight dynamics do not currently exist. Yet the underlying mechanisms responsible for various flight manoeuvres are important for understanding how agile flight can…

Quantitative Methods · Quantitative Biology 2026-02-24 Lydia France , Karl Lapo , J. Nathan Kutz

The robust detection of small targets against cluttered background is important for future artificial visual systems in searching and tracking applications. The insects' visual systems have demonstrated excellent ability to avoid predators,…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Hongxin Wang , Jigen Peng , Qinbing Fu , Huatian Wang , Shigang Yue

The recent development of novel aerial vehicles capable of physically interacting with the environment leads to new applications such as contact-based inspection. These tasks require the robotic system to exchange forces with…

Robotics · Computer Science 2022-07-06 Weixuan Zhang , Lionel Ott , Marco Tognon , Roland Siegwart

We study the role of unsteady lift in the context of flapping wings in birds' flight. Both aerodynamicists and biologists attempt to address this subject, yet it seems that the contribution of the unsteady lift still holds many open…

"Cicada: a Heavy but Agile Flyer" is a fluid dynamic video submitted to Gallery of Fluid Motion in APS-DFD 2011. Comparing to other insects, cicadas can generate much higher lift to overcome their large body weight. The hidden mechanism may…

Fluid Dynamics · Physics 2011-11-22 Kuo Gai , Yan Ren , Hui Wan , Haibo Dong

Animals within groups need to coordinate their reactions to perceived environmental features and to each other in order to safely move from one point to another. This paper extends our previously published work on the flight patterns of…

Systems and Control · Computer Science 2013-11-19 Zhaodan Kong , Kayhan Ozcimder , Nathan W. Fuller , John Baillieul

Animals are diverse in shape, but building a deformable shape model for a new species is not always possible due to the lack of 3D data. We present a method to capture new species using an articulated template and images of that species. In…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Yufu Wang , Nikos Kolotouros , Kostas Daniilidis , Marc Badger

An innovative approach of gaining insight into motor skills involved in human body flight is proposed. The key idea is the creation of a model autonomous system capable of virtually performing skydiving maneuvers. A dynamic skydiver model…

Robotics · Computer Science 2022-02-22 Anna Clarke , Per-Olof Gutman

Tail bending associated with maneuvering flight of insects is a known phenomenon although there are only a few studies which analyze and quantify the effects and benefits of body configuration changes. We hypothesized that these…

Biological Physics · Physics 2017-07-26 Ayodeji T. Bode-Oke , Samane Zeyghami , Haibo Dong

We characterize the computation of motion in the fly visual system as a mapping from the high dimensional space of signals in the retinal photodetector array to the probability of generating an action potential in a motion sensitive neuron.…

Neurons and Cognition · Quantitative Biology 2007-05-23 William Bialek , Rob R. de Ruyter van Steveninck

Aerial Vehicles follow a guided approach based on Latitude, Longitude and Altitude. This information can be used for calculating the status of maneuvering for the aerial vehicles along the line of trajectory. This is a binary classification…

Robotics · Computer Science 2022-07-13 Abhishek Gupta , Sarvesh Thustu , Riti Thakor , Saniya Patil , Raunak Joshi , Ronald Melvin Laban

The aerial flocking of birds, or murmurations, has fascinated observers while presenting many challenges to behavioral study and simulation. We examine how the periphery of murmurations remain well bounded and cohesive. We also investigate…

Quantitative Methods · Quantitative Biology 2024-07-22 Rama Carl Hoetzlein

By entering the habitats of wild animals, wildlife watchers can engage closely with them. There are some wild animals that are not always safe to approach. Therefore, we suggest this system for observing wildlife. Android phones can be used…

Robotics · Computer Science 2025-01-09 Neethu K N , Rakshitha Y Nayak , Rashmi , Meghana S

We propose a cross attention transformer based method for multimodal sensor fusion to build a birds eye view of a vessels surroundings supporting safer autonomous marine navigation. The model deeply fuses multiview RGB and long wave…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Dimitrios Dagdilelis , Panagiotis Grigoriadis , Roberto Galeazzi

We consider flocks of artificial birds and study the emergence of V-like formations during flight. We introduce a small set of fully distributed positioning rules to guide the birds' movements and demonstrate, by means of simulations, that…

Neural and Evolutionary Computing · Computer Science 2008-04-11 Andre Nathan , Valmir C. Barbosa

Automated tracking of animal movement allows analyses that would not otherwise be possible by providing great quantities of data. The additional capability of tracking in realtime - with minimal latency - opens up the experimental…

Computer Vision and Pattern Recognition · Computer Science 2023-02-01 Andrew D. Straw , Kristin Branson , Titus R. Neumann , Michael H. Dickinson
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