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Pedestrian Attribute Recognition (PAR) is a challenging task as models are required to generalize across numerous attributes in real-world data. Traditional approaches focus on complex methods, yet recognition performance is often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Alejandro Alonso , Sawaiz A. Chaudhry , Juan C. SanMiguel , Álvaro García-Martín , Pablo Ayuso-Albizu , Pablo Carballeira

We present a novel redirected walking controller based on alignment that allows the user to explore large and complex virtual environments, while minimizing the number of collisions with obstacles in the physical environment. Our…

Graphics · Computer Science 2023-07-06 Niall L. Williams , Aniket Bera , Dinesh Manocha

Humanoid robotics has strong potential to transform daily service and caregiving applications. Although recent advances in general motion tracking within physics engines (GMT) have enabled virtual characters and humanoid robots to reproduce…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yuto Shibata , Kashu Yamazaki , Lalit Jayanti , Yoshimitsu Aoki , Mariko Isogawa , Katerina Fragkiadaki

Over the course of the last several years there was a strong interest in application of modern optimal control techniques to the field of character animation. This interest was fueled by introduction of efficient learning based algorithms…

Artificial Intelligence · Computer Science 2020-06-16 Joe Booth , Vladimir Ivanov

In computer animation, driving a simulated character with lifelike motion is challenging. Current generative models, though able to generalize to diverse motions, often pose challenges to the responsiveness of end-user control. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Yuxuan Mu , Shihao Zou , Kangning Yin , Zheng Tian , Li Cheng , Weinan Zhang , Jun Wang

Combinatorial optimization problems involving multiple agents are notoriously challenging due to their NP-hard nature and the necessity for effective agent coordination. Despite advancements in learning-based methods, existing approaches…

Multiagent Systems · Computer Science 2025-10-23 Federico Berto , Chuanbo Hua , Laurin Luttmann , Jiwoo Son , Junyoung Park , Kyuree Ahn , Changhyun Kwon , Lin Xie , Jinkyoo Park

Real-time tracking of human body motion is crucial for interactive and immersive experiences in AR/VR. However, very limited sensor data about the body is available from standalone wearable devices such as HMDs (Head Mounted Devices) or AR…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Alexander Winkler , Jungdam Won , Yuting Ye

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

While recent advances in humanoid locomotion have achieved stable walking on varied terrains, capturing the agility and adaptivity of highly dynamic human motions remains an open challenge. In particular, agile parkour in complex…

Today's robotic quadruped systems can robustly walk over a diverse range of rough but continuous terrains, where the terrain elevation varies gradually. Locomotion on discontinuous terrains, such as those with gaps or obstacles, presents a…

Robotics · Computer Science 2021-11-01 Gabriel B. Margolis , Tao Chen , Kartik Paigwar , Xiang Fu , Donghyun Kim , Sangbae Kim , Pulkit Agrawal

Character animation in real-world scenarios necessitates a variety of constraints, such as trajectories, key-frames, interactions, etc. Existing methodologies typically treat single or a finite set of these constraint(s) as separate control…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Hanchao Liu , Xiaohang Zhan , Shaoli Huang , Tai-Jiang Mu , Ying Shan

Continual learning refers to the ability of humans and animals to incrementally learn over time in a given environment. Trying to simulate this learning process in machines is a challenging task, also due to the inherent difficulty in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Enrico Meloni , Alessandro Betti , Lapo Faggi , Simone Marullo , Matteo Tiezzi , Stefano Melacci

Model predictive control (MPC) has demonstrated effectiveness for humanoid bipedal locomotion; however, its applicability in challenging environments, such as rough and slippery terrain, is limited by the difficulty of modeling terrain…

Robotics · Computer Science 2025-09-24 Junnosuke Kamohara , Feiyang Wu , Chinmayee Wamorkar , Seth Hutchinson , Ye Zhao

The scarcity of manipulation data has motivated the use of pretrained large models from other modalities in robotics. In this work, we build upon autoregressive video generation models to propose a Physical Autoregressive Model (PAR), where…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zijian Song , Sihan Qin , Tianshui Chen , Liang Lin , Guangrun Wang

Multi-agent navigation in dynamic environments is of great industrial value when deploying a large scale fleet of robot to real-world applications. This paper proposes a decentralized partially observable multi-agent path planning with…

Robotics · Computer Science 2020-08-03 Zuxin Liu , Baiming Chen , Hongyi Zhou , Guru Koushik , Martial Hebert , Ding Zhao

Synthesizing graceful and life-like behaviors for physically simulated characters has been a fundamental challenge in computer animation. Data-driven methods that leverage motion tracking are a prominent class of techniques for producing…

Graphics · Computer Science 2022-05-13 Xue Bin Peng , Ze Ma , Pieter Abbeel , Sergey Levine , Angjoo Kanazawa

We present a simple and intuitive approach for interactive control of physically simulated characters. Our work builds upon generative adversarial networks (GAN) and reinforcement learning, and introduces an imitation learning framework…

Graphics · Computer Science 2022-01-03 Pei Xu , Ioannis Karamouzas

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

Reinforcement learning (RL) has significantly advanced the control of physics-based and robotic characters that track kinematic reference motion. However, methods typically rely on a weighted sum of conflicting reward functions, requiring…

Robotics · Computer Science 2025-05-30 Lucas N. Alegre , Agon Serifi , Ruben Grandia , David Müller , Espen Knoop , Moritz Bächer

Modeling unsteady, fast transient, and advection-dominated physics problems is a pressing challenge for physics-aware deep learning (PADL). The physics of complex systems is governed by large systems of partial differential equations (PDEs)…