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Simulation of the dynamics of physical systems is essential to the development of both science and engineering. Recently there is an increasing interest in learning to simulate the dynamics of physical systems using neural networks.…

Machine Learning · Computer Science 2022-01-31 Ce Yang , Weihao Gao , Di Wu , Chong Wang

Current methods in training and benchmarking vision models exhibit an over-reliance on passive, curated datasets. Although models trained on these datasets have shown strong performance in a wide variety of tasks such as classification,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Xinran Liang , Anthony Han , Wilson Yan , Aditi Raghunathan , Pieter Abbeel

We introduce CRISP, a method that recovers simulatable human motion and scene geometry from monocular video. Prior work on joint human-scene reconstruction relies on data-driven priors and joint optimization with no physics in the loop, or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zihan Wang , Jiashun Wang , Jeff Tan , Yiwen Zhao , Jessica Hodgins , Shubham Tulsiani , Deva Ramanan

Articulated object manipulation is a critical capability for robots to perform various tasks in real-world scenarios. Composed of multiple parts connected by joints, articulated objects are endowed with diverse functional mechanisms through…

Robotics · Computer Science 2025-02-18 Yuanfei Wang , Xiaojie Zhang , Ruihai Wu , Yu Li , Yan Shen , Mingdong Wu , Zhaofeng He , Yizhou Wang , Hao Dong

Accurate estimation of the environment structure simultaneously with the robot pose is a key capability of autonomous robotic vehicles. Classical simultaneous localization and mapping (SLAM) algorithms rely on the static world assumption to…

Robotics · Computer Science 2018-05-11 Mina Henein , Gerard Kennedy , Viorela Ila , Robert Mahony

Forecasting 3D human motion is an important embodiment of fine-grained understanding and cognition of human behavior by artificial agents. Current approaches excessively rely on implicit network modeling of spatiotemporal relationships and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Juncheng Hu , Zijian Zhang , Zeyu Wang , Guoyu Wang , Yingji Li , Kedi Lyu

3D human body shape and pose estimation from RGB images is a challenging problem with potential applications in augmented/virtual reality, healthcare and fitness technology and virtual retail. Recent solutions have focused on three types of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 Darshan Venkatrayappa , Alain Tremeau , Damien Muselet , Philippe Colantoni

Legged robot locomotion on a dynamic rigid surface (i.e., a rigid surface moving in the inertial frame) involves complex full-order dynamics that is high-dimensional, nonlinear, and time-varying. Towards deriving an analytically tractable…

Robotics · Computer Science 2022-02-02 Amir Iqbal , Sushant Veer , Yan Gu

Reconstructing 3D human pose and shape from monocular videos is a well-studied but challenging problem. Common challenges include occlusions, the inherent ambiguities in the 2D to 3D mapping and the computational complexity of video…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Nikolaos Vasilikopoulos , Nikos Kolotouros , Aggeliki Tsoli , Antonis Argyros

Implicit neural representations have shown compelling results in offline 3D reconstruction and also recently demonstrated the potential for online SLAM systems. However, applying them to autonomous 3D reconstruction, where a robot is…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Yunlong Ran , Jing Zeng , Shibo He , Lincheng Li , Yingfeng Chen , Gimhee Lee , Jiming Chen , Qi Ye

Inspired by the recent success of methods that employ shape priors to achieve robust 3D reconstructions, we propose a novel recurrent neural network architecture that we call the 3D Recurrent Reconstruction Neural Network (3D-R2N2). The…

Computer Vision and Pattern Recognition · Computer Science 2016-04-05 Christopher B. Choy , Danfei Xu , JunYoung Gwak , Kevin Chen , Silvio Savarese

Grasping deformable objects is not well researched due to the complexity in modelling and simulating the dynamic behavior of such objects. However, with the rapid development of physics-based simulators that support soft bodies, the…

Robotics · Computer Science 2021-07-20 Tran Nguyen Le , Jens Lundell , Fares J. Abu-Dakka , Ville Kyrki

Virtual character animation control is a problem for which Reinforcement Learning (RL) is a viable approach. While current work have applied RL effectively to portray physics-based skills, social behaviours are challenging to design reward…

Machine Learning · Computer Science 2021-04-14 Vihanga Gamage , Cathy Ennis , Robert Ross

Due to the visual ambiguity, purely kinematic formulations on monocular human motion capture are often physically incorrect, biomechanically implausible, and can not reconstruct accurate interactions. In this work, we focus on exploiting…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Buzhen Huang , Liang Pan , Yuan Yang , Jingyi Ju , Yangang Wang

We propose a deep videorealistic 3D human character model displaying highly realistic shape, motion, and dynamic appearance learned in a new weakly supervised way from multi-view imagery. In contrast to previous work, our controllable 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Marc Habermann , Lingjie Liu , Weipeng Xu , Michael Zollhoefer , Gerard Pons-Moll , Christian Theobalt

Developing systems that can synthesize natural and life-like motions for simulated characters has long been a focus for computer animation. But in order for these systems to be useful for downstream applications, they need not only produce…

Machine Learning · Computer Science 2023-02-01 Jordan Juravsky , Yunrong Guo , Sanja Fidler , Xue Bin Peng

Deep learning has enabled remarkable improvements in grasp synthesis for previously unseen objects from partial object views. However, existing approaches lack the ability to explicitly reason about the full 3D geometry of the object when…

Robotics · Computer Science 2020-03-19 Mark Van der Merwe , Qingkai Lu , Balakumar Sundaralingam , Martin Matak , Tucker Hermans

This work explores the potential of using differentiable simulation for learning quadruped locomotion. Differentiable simulation promises fast convergence and stable training by computing low-variance first-order gradients using robot…

Robotics · Computer Science 2024-10-16 Yunlong Song , Sangbae Kim , Davide Scaramuzza

Humans are able to make rich predictions about the future dynamics of physical objects from a glance. On the other hand, most existing computer vision approaches require strong assumptions about the underlying system, ad-hoc modeling, or…

Neural and Evolutionary Computing · Computer Science 2018-09-19 Zhihua Wang , Stefano Rosa , Yishu Miao , Zihang Lai , Linhai Xie , Andrew Markham , Niki Trigoni

Creating high-quality controllable 3D human models from multi-view RGB videos poses a significant challenge. Neural radiance fields (NeRFs) have demonstrated remarkable quality in reconstructing and free-viewpoint rendering of static as…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Paul Knoll , Wieland Morgenstern , Anna Hilsmann , Peter Eisert