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This paper presents a framework for dynamic object catching using a quadruped robot's front legs while it stands on its rear legs. The system integrates computer vision, trajectory prediction, and leg control to enable the quadruped to…

Robotics · Computer Science 2024-10-11 André Schakkal , Guillaume Bellegarda , Auke Ijspeert

Inspired by the observation of intricate and beautifully dynamic patterns generated by food coloring on clean glass slides, we have investigated the behavior of propylene glycol and water droplets on high energy surfaces. In this fluid…

Fluid Dynamics · Physics 2013-10-16 Nate J Cira , Manu Prakash

We use immobility as an origin and reference for the measurement of locomotor behavior; speed, the direction of walking and the direction of facing as the three degrees of freedom shaping fly locomotor behavior, and cocaine as the parameter…

Neurons and Cognition · Quantitative Biology 2015-07-28 A. Gomez-Marin , E. Oron , A. Gakamsky , D. Valente , Y. Benjamini , I. Golani

Understanding primate behavior is a mission-critical goal of both biology and biomedicine. Despite the importance of behavior, our ability to rigorously quantify it has heretofore been limited to low-information measures like preference,…

Quantitative Methods · Quantitative Biology 2021-09-01 Benjamin Hayden , Hyun Soo Park , Jan Zimmermann

A fundamental goal in neuroscience is to understand the relationship between neural activity and behavior. For example, the ability to extract behavioral intentions from neural data, or neural decoding, is critical for developing effective…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Semih Günel , Florian Aymanns , Sina Honari , Pavan Ramdya , Pascal Fua

Flying insects execute aerial maneuvers through subtle manipulations of their wing motions. Here, we measure the free flight kinematics of fruit flies and determine how they modulate their wing pitching to induce sharp turns. By analyzing…

Biological Physics · Physics 2015-05-14 Attila J. Bergou , Leif Ristroph , John Guckenheimer , Itai Cohen , Z. Jane Wang

Controlling fish feeding machine is challenging problem because experienced fishermen can adequately control based on assumption. To build robust method for reasonable application, we propose automatic controlling fish feeding machine based…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Hilmil Pradana , Keiichi Horio

High-speed tracking of single particles is a gateway to understanding physical, chemical, and biological processes at the nanoscale. It is also a major experimental challenge, particularly for small, nanometer-scale particles. Although…

This paper presents a real-time approach for single-colored ball detection and tracking. The approach consists of two main phases. In a first offline calibration phase, the intrinsic parameters of the camera and the radial distortion are…

Computer Vision and Pattern Recognition · Computer Science 2014-10-16 Haythem Ghazouani

Single-particle traces of the diffusive motion of molecules, cells, or animals are by-now routinely measured, similar to stochastic records of stock prices or weather data. Deciphering the stochastic mechanism behind the recorded dynamics…

Statistical Mechanics · Physics 2023-09-14 Henrik Seckler , Janusz Szwabinski , Ralf Metzler

Monitoring aerial objects is crucial for security, wildlife conservation, and environmental studies. Traditional RGB-based approaches struggle with challenges such as scale variations, motion blur, and high-speed object movements,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Gabriele Magrini , Federico Becattini , Giovanni Colombo , Pietro Pala

We propose an automatic system for organizing the content of a collection of unstructured videos of an articulated object class (e.g. tiger, horse). By exploiting the recurring motion patterns of the class across videos, our system: 1)…

Computer Vision and Pattern Recognition · Computer Science 2016-08-12 Luca Del Pero , Susanna Ricco , Rahul Sukthankar , Vittorio Ferrari

We introduce the first unified theory for target tracking using Multiple Hypothesis Tracking, Topological Data Analysis, and machine learning. Our string of innovations are 1) robust topological features are used to encode behavioral…

As invisibility cloaking has recently become experimental reality, it is interesting to explore ways to reveal remaining imperfections. In essence, the idea of most invisibility cloaks is to recover the optical path lengths without an…

Optics · Physics 2015-05-30 Jad C. Halimeh , Martin Wegener

Crops for food, feed, fiber, and fuel are key natural resources for our society. Monitoring plants and measuring their traits is an important task in agriculture often referred to as plant phenotyping. Traditionally, this task is done…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Gianmarco Roggiolani , Federico Magistri , Tiziano Guadagnino , Jens Behley , Cyrill Stachniss

The US weather radar archive holds detailed information about biological phenomena in the atmosphere over the last 20 years. Communally roosting birds congregate in large numbers at nighttime roosting locations, and their morning exodus…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Zezhou Cheng , Saadia Gabriel , Pankaj Bhambhani , Daniel Sheldon , Subhransu Maji , Andrew Laughlin , David Winkler

Much attention has been given to automatic sleep staging algorithms in past years, but the detection of discrete events in sleep studies is also crucial for precise characterization of sleep patterns and possible diagnosis of sleep…

Signal Processing · Electrical Eng. & Systems 2020-04-14 Alexander Neergaard Olesen , Stanislas Chambon , Valentin Thorey , Poul Jennum , Emmanuel Mignot , Helge B. D. Sorensen

Insects use visual cues to control their flight behaviours. By estimating the angular velocity of the visual stimuli and regulating it to a constant value, honeybees can perform a terrain following task which keeps the certain height above…

Robotics · Computer Science 2019-04-05 Huatian Wang , Qinbing Fu , Hongxin Wang , Jigen Peng , Shigang Yue

Ubiquitous in eukaryotic organisms, the flagellum is a well-studied organelle that is well-known to be responsible for motility in a variety of organisms. Commonly necessitated in their study is the capability to image and subsequently…

Quantitative Methods · Quantitative Biology 2019-03-22 Benjamin J. Walker , Kenta Ishimoto , Richard J. Wheeler

The ability to use inexpensive, noninvasive sensors to accurately classify flying insects would have significant implications for entomological research, and allow for the development of many useful applications in vector control for both…

Machine Learning · Computer Science 2014-03-12 Yanping Chen , Adena Why , Gustavo Batista , Agenor Mafra-Neto , Eamonn Keogh