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Related papers: Wild Motion Unleashed: Markerless 3D Kinematics an…

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Reconstructing the 3D geometry, pose, and motion of animals is a long-standing problem, which has a wide range of applications, from biology, livestock management, and animal conservation and welfare to content creation in digital…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Ziqi Li , Abderraouf Amrani , Shri Rai , Hamid Laga

Aerial vehicles are revolutionizing applications that require capturing the 3D structure of dynamic targets in the wild, such as sports, medicine, and entertainment. The core challenges in developing a motion-capture system that operates in…

Robotics · Computer Science 2021-08-10 Cherie Ho , Andrew Jong , Harry Freeman , Rohan Rao , Rogerio Bonatti , Sebastian Scherer

Recent advancements in legged locomotion research have made legged robots a preferred choice for navigating challenging terrains when compared to their wheeled counterparts. This paper presents a novel locomotion policy, trained using Deep…

Robotics · Computer Science 2023-05-04 Lokesh Kumar , Sarvesh Sortee , Titas Bera , Ranjan Dasgupta

Understanding the well-being of cattle is crucial in various agricultural contexts. Cattle's body shape and joint articulation carry significant information about their welfare, yet acquiring comprehensive datasets for 3D body pose…

Robotics · Computer Science 2024-11-28 Mohammad Okour , Raphael Falque , Alen Alempijevic

Depth estimation and 3D reconstruction have been extensively studied as core topics in computer vision. Starting from rigid objects with relatively simple geometric shapes, such as vehicles, the research has expanded to address general…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Muhammad Aamir , Naoya Muramatsu , Sangyun Shin , Matthew Wijers , Jia-Xing Zhong , Xinyu Hou , Amir Patel , Andrew Loveridge , Andrew Markham

Reasons for Performing Study: Equine gait analysis has focused on 2D analysis in the sagittal plane, while descriptions of 3D kinetics and ground reaction force could provide more information on the Equine gait analysis. Hypothesis or…

Robotics · Computer Science 2011-08-22 H. M. Clayton , D. H. Sha , D. R. Mullineaux

In this theoretical study, we present an analytical framework to investigate the slithering motion of snakes on flat surfaces. While previous studies have predominantly relied on numerical methods to identify optimal locomotion kinematics,…

Biological Physics · Physics 2024-12-06 Yogesh Phalak , Hodjat Pendar

It is well known that animals can use neural and sensory feedback via vision, tactile sensing, and echolocation to negotiate obstacles. Similarly, most robots use deliberate or reactive planning to avoid obstacles, which relies on prior…

Biological Physics · Physics 2025-09-18 Sean W. Gart , Changxin Yan , Ratan Othayoth , Zhiyi Ren , Chen Li

We focus on the task of estimating a physically plausible articulated human motion from monocular video. Existing approaches that do not consider physics often produce temporally inconsistent output with motion artifacts, while…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Erik Gärtner , Mykhaylo Andriluka , Hongyi Xu , Cristian Sminchisescu

Limbless terrestrial animals exhibit exceptional locomotor versatility and control, currently unmatched by engineered counterparts. Here, we introduce a computational framework that enables soft synthetic snakes to navigate unstructured,…

Robotics · Computer Science 2026-05-26 Xiaotian Zhang , Ali Albazroun , Tixian Wang , Songyuan Cui , Prashant G. Mehta , Mattia Gazzola

While 2D pose estimation has advanced our ability to interpret body movements in animals and primates, it is limited by the lack of depth information, constraining its application range. 3D pose estimation provides a more comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Soumyaratna Debnath , Harish Katti , Shashikant Verma , Shanmuganathan Raman

The recognition of dynamic and social behavior in animals is fundamental for advancing ethology, ecology, medicine and neuroscience. Recent progress in deep learning has enabled automated behavior recognition from video, yet an accurate…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Lucas Martini , Alexander Lappe , Anna Bognár , Rufin Vogels , Martin A. Giese

High-speed autonomous driving in off-road environments has immense potential for various applications, but it also presents challenges due to the complexity of vehicle-terrain interactions. In such environments, it is crucial for the…

Robotics · Computer Science 2023-09-25 Hojin Lee , Taekyung Kim , Jungwi Mun , Wonsuk Lee

Humanoid and legged robots interact with the environment through intermittent contacts, making accurate motion estimation fundamentally dependent on reasoning about contact dynamics. However, standard sensing pipelines-whether based on…

Robotics · Computer Science 2026-05-19 Jiarong Kang , Kunzhao Ren , Tao Pang , Xiaobin Xiong

Animals move in three dimensions (3D). Thus, 3D measurement is necessary to report the true kinematics of animal movement. Existing 3D measurement techniques draw on specialized hardware, such as motion capture or depth cameras, as well as…

Neurons and Cognition · Quantitative Biology 2021-12-06 Jesse D. Marshall , Tianqing Li , Joshua H. Wu , Timothy W. Dunn

Simple experiments for which differential equations cannot be solved analytically can be addressed using an effective model that satisfactorily reproduces the experimental data. In this work, the one-dimensional kinematics of a…

Physics Education · Physics 2019-03-27 Álvaro Suárez , Daniel Baccino , Arturo C Martí

This paper provides the mathematical expressions, formulated in classical trigonometric terms, that are required (i) to compute an animal's body orientations and rotations in 3D space from data acquired at high-frequency by on-board…

Other Quantitative Biology · Quantitative Biology 2024-12-17 Simon Benhamou

arly identification of motor impairment in infancy relies on expert visual assessment of spontaneous movement, motivating the development of automated, objective alternatives. One promising approach is using computer vision, which benefits…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Divya Joshi , J. D. Peiffer , Colleen Peyton , R. James Cotton

Most locomotion methods for humanoid robots focus on leg-based gaits, yet natural bipeds frequently rely on hands, knees, and elbows to establish additional contacts for stability and support in complex environments. This paper introduces…

The biological spine of quadrupeds enables sagittal flexion/extension, lateral bending, and axial rotation, playing a crucial role in highly agile and dexterous locomotion. While numerous studies have integrated active spinal joints into…

Robotics · Computer Science 2026-05-28 Zimu Li , Weibang Bai