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A 3D pendulum consists of a rigid body, supported at a fixed pivot, with three rotational degrees of freedom. The pendulum is acted on by a gravitational force. Symmetry assumptions are shown to lead to the planar 1D pendulum and to the…

Dynamical Systems · Mathematics 2007-07-10 Nalin A. Chaturvedi , Taeyoung Lee , Melvin Leok , N. Harris McClamroch

This work targets to construct a robust human pose prior. However, it remains a persistent challenge due to biomechanical constraints and diverse human movements. Traditional priors like VAEs and NDFs often exhibit shortcomings in realism…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Junzhe Lu , Jing Lin , Hongkun Dou , Ailing Zeng , Yue Deng , Yulun Zhang , Haoqian Wang

A key ingredient to achieving intelligent behavior is physical understanding that equips robots with the ability to reason about the effects of their actions in a dynamic environment. Several methods have been proposed to learn dynamics…

Robotics · Computer Science 2020-01-24 David Millard , Eric Heiden , Shubham Agrawal , Gaurav S. Sukhatme

This paper addresses the problem of 3D human pose estimation from a single image. We follow a standard two-step pipeline by first detecting the 2D position of the $N$ body joints, and then using these observations to infer 3D pose. For the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Francesc Moreno-Noguer

Human motion prediction is a fundamental part of many human-robot applications. Despite the recent progress in human motion prediction, most studies simplify the problem by predicting the human motion relative to a fixed joint and/or only…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Payam Nikdel , Mohammad Mahdavian , Mo Chen

When do locomotion controllers require reasoning about nonlinearities? In this work, we show that a whole-body model-predictive controller using a simple linear time-invariant approximation of the whole-body dynamics is able to execute…

Robust locomotion control depends on accurate state estimations. However, the sensors of most legged robots can only provide partial and noisy observations, making the estimation particularly challenging, especially for external states like…

Robotics · Computer Science 2024-01-03 Junfeng Long , Zirui Wang , Quanyi Li , Jiawei Gao , Liu Cao , Jiangmiao Pang

Simplified models are useful to increase the computational efficiency of a motion planning algorithm, but their lack of accuracy have to be managed. We propose two feasibility constraints to be included in a Single Rigid Body Dynamicsbased…

We present a novel approach for estimating the 2D pose of an articulated object with an application to automated video analysis of small laboratory animals. We have found that deformable part models developed for humans, exemplified by the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 Yuliang Guo , Lakshmi Narasimhan Govindarajan , Benjamin Kimia , Thomas Serre

Many studies decompose human motion into local motion in a frame attached to the root joint and global motion of the root joint in the world frame, treating them separately. However, these two components are not independent. Global movement…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Ha Linh Nguyen , Tze Ho Elden Tse , Angela Yao

We introduce (HPS) Human POSEitioning System, a method to recover the full 3D pose of a human registered with a 3D scan of the surrounding environment using wearable sensors. Using IMUs attached at the body limbs and a head mounted camera…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Vladimir Guzov , Aymen Mir , Torsten Sattler , Gerard Pons-Moll

The ultimate goal for an inference model is to be robust and functional in real life applications. However, training vs. test data domain gaps often negatively affect model performance. This issue is especially critical for the monocular 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Shuangjun Liu , Naveen Sehgal , Sarah Ostadabbas

We propose a novel algorithm for the fitting of 3D human shape to images. Combining the accuracy and refinement capabilities of iterative gradient-based optimization techniques with the robustness of deep neural networks, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Jie Song , Xu Chen , Otmar Hilliges

Recovering high-quality 3D human motion in complex scenes from monocular videos is important for many applications, ranging from AR/VR to robotics. However, capturing realistic human-scene interactions, while dealing with occlusions and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Siwei Zhang , Yan Zhang , Federica Bogo , Marc Pollefeys , Siyu Tang

We present SoftSMPL, a learning-based method to model realistic soft-tissue dynamics as a function of body shape and motion. Datasets to learn such task are scarce and expensive to generate, which makes training models prone to overfitting.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Igor Santesteban , Elena Garces , Miguel A. Otaduy , Dan Casas

Many works in collaborative robotics and human-robot interaction focuses on identifying and predicting human behaviour while considering the information about the robot itself as given. This can be the case when sensors and the robot are…

As humanoid robots enter real-world environments, ensuring robust locomotion across diverse environments is crucial. This paper presents a computationally efficient hierarchical control framework for humanoid robot locomotion based on…

Robotics · Computer Science 2025-09-08 Adrian B. Ghansah , Sergio A. Esteban , Aaron D. Ames

In this paper, we develop a neural network model to predict future human motion from an observed human motion history. We propose a non-autoregressive transformer architecture to leverage its parallel nature for easier training and fast,…

Robotics · Computer Science 2025-01-20 Mohammad Mahdavian , Payam Nikdel , Mahdi TaherAhmadi , Mo Chen

Classification and localization of driving actions over time is important for advanced driver-assistance systems and naturalistic driving studies. Temporal localization is challenging because it requires robustness, reliability, and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Erkut Akdag , Zeqi Zhu , Egor Bondarev , Peter H. N. De With

This paper contributes towards the development of motion tracking algorithms for time-critical applications, proposing an infrastructure for solving dynamically the inverse kinematics of highly articulate systems such as humans. We present…

Systems and Control · Electrical Eng. & Systems 2020-12-16 Lorenzo Rapetti , Yeshasvi Tirupachuri , Kourosh Darvish , Claudia Latella , Daniele Pucci
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