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Imitation learning learns a policy from demonstrations without requiring hand-designed reward functions. In many robotic tasks, such as autonomous racing, imitated policies must model complex environment dynamics and human decision-making.…

Machine Learning · Computer Science 2024-07-12 Catherine Weaver , Chen Tang , Ce Hao , Kenta Kawamoto , Masayoshi Tomizuka , Wei Zhan

Computational models trained on a large amount of natural images are the state-of-the-art to study human vision - usually adult vision. Computational models of infant vision and its further development are gaining more and more attention in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Benjamin Cappell , Andreas Stoll , Williams Chukwudi Umah , Bernhard Egger

Toward unlocking the potential of generative models in immersive 4D experiences, we introduce Virtual Pet, a novel pipeline to model realistic and diverse motions for target animal species within a 3D environment. To circumvent the limited…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Yen-Chi Cheng , Chieh Hubert Lin , Chaoyang Wang , Yash Kant , Sergey Tulyakov , Alexander Schwing , Liangyan Gui , Hsin-Ying Lee

While there has been significant progress in the field of 3D avatar creation from visual observations, modeling physically plausible dynamics of humans with loose garments remains a challenging problem. Although a few existing works address…

Graphics · Computer Science 2025-10-03 Changmin Lee , Jihyun Lee , Tae-Kyun Kim

Imitation learning has shown great potential for enabling robots to acquire complex manipulation behaviors. However, these algorithms suffer from high sample complexity in long-horizon tasks, where compounding errors accumulate over the…

Robotics · Computer Science 2024-08-20 Tian Gao , Soroush Nasiriany , Huihan Liu , Quantao Yang , Yuke Zhu

We present Model-Predictive Interaction Primitives -- a robot learning framework for assistive motion in human-machine collaboration tasks which explicitly accounts for biomechanical impact on the human musculoskeletal system. First, we…

Robotics · Computer Science 2020-11-16 Geoffrey Clark , Joseph Campbell , Heni Ben Amor

Imitation learning in a high-dimensional environment is challenging. Most inverse reinforcement learning (IRL) methods fail to outperform the demonstrator in such a high-dimensional environment, e.g., Atari domain. To address this…

Machine Learning · Computer Science 2020-09-14 Xingrui Yu , Yueming Lyu , Ivor W. Tsang

Physically-simulated models for human motion can generate high-quality responsive character animations, often in real-time. Natural language serves as a flexible interface for controlling these models, allowing expert and non-expert users…

Machine Learning · Computer Science 2024-07-16 Jordan Juravsky , Yunrong Guo , Sanja Fidler , Xue Bin Peng

Despite the potential of reinforcement learning (RL) for building general-purpose robotic systems, training RL agents to solve robotics tasks still remains challenging due to the difficulty of exploration in purely continuous action spaces.…

Machine Learning · Computer Science 2021-10-29 Murtaza Dalal , Deepak Pathak , Ruslan Salakhutdinov

We present a learning-based method for building driving-signal aware full-body avatars. Our model is a conditional variational autoencoder that can be animated with incomplete driving signals, such as human pose and facial keypoints, and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Timur Bagautdinov , Chenglei Wu , Tomas Simon , Fabian Prada , Takaaki Shiratori , Shih-En Wei , Weipeng Xu , Yaser Sheikh , Jason Saragih

We present PrismAvatar: a 3D head avatar model which is designed specifically to enable real-time animation and rendering on resource-constrained edge devices, while still enjoying the benefits of neural volumetric rendering at training…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Prashant Raina , Felix Taubner , Mathieu Tuli , Eu Wern Teh , Kevin Ferreira

We propose a method which generates reactive robot behavior learned from human demonstration. In order to do so, we use the Playful programming language which is based on the reactive programming paradigm. This allows us to represent the…

Robotics · Computer Science 2020-07-23 Vincent Berenz , Ahmed Bjelic , Lahiru Herath , Jim Mainprice

A key barrier to the real-world deployment of humanoid robots is the lack of autonomous loco-manipulation skills. We introduce VIRAL, a visual sim-to-real framework that learns humanoid loco-manipulation entirely in simulation and deploys…

Recent developments in multi-agent imitation learning have shown promising results for modeling the behavior of human drivers. However, it is challenging to capture emergent traffic behaviors that are observed in real-world datasets. Such…

From just a glance, humans can make rich predictions about the future state of a wide range of physical systems. On the other hand, modern approaches from engineering, robotics, and graphics are often restricted to narrow domains and…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Nicholas Watters , Andrea Tacchetti , Theophane Weber , Razvan Pascanu , Peter Battaglia , Daniel Zoran

This report presents MagicAvatar, a framework for multimodal video generation and animation of human avatars. Unlike most existing methods that generate avatar-centric videos directly from multimodal inputs (e.g., text prompts), MagicAvatar…

Graphics · Computer Science 2023-08-29 Jianfeng Zhang , Hanshu Yan , Zhongcong Xu , Jiashi Feng , Jun Hao Liew

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

Visual imitation learning (VIL) provides an efficient and intuitive strategy for robotic systems to acquire novel skills. Recent advancements in foundation models, particularly Vision Language Models (VLMs), have demonstrated remarkable…

Robotics · Computer Science 2025-07-29 Guangyan Chen , Meiling Wang , Te Cui , Yao Mu , Haoyang Lu , Zicai Peng , Mengxiao Hu , Tianxing Zhou , Mengyin Fu , Yi Yang , Yufeng Yue

Creating a realistic animatable avatar from a single static portrait remains challenging. Existing approaches often struggle to capture subtle facial expressions, the associated global body movements, and the dynamic background. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Mengchao Wang , Qiang Wang , Fan Jiang , Yaqi Fan , Yunpeng Zhang , Yonggang Qi , Kun Zhao , Mu Xu

We present a novel approach for generating animatable 3D-aware art avatars from a single image, with controllable facial expressions, head poses, and shoulder movements. Unlike previous reenactment methods, our approach utilizes a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Shaoxu Li