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Multi-person pose estimation and tracking serve as crucial steps for video understanding. Most state-of-the-art approaches rely on first estimating poses in each frame and only then implementing data association and refinement. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Yiding Yang , Zhou Ren , Haoxiang Li , Chunluan Zhou , Xinchao Wang , Gang Hua

Imitation learning is a data-driven approach to acquiring skills that relies on expert demonstrations to learn a policy that maps observations to actions. When performing demonstrations, experts are not always consistent and might…

Machine Learning · Computer Science 2021-01-05 Sagar Gubbi Venkatesh , Nihesh Rathod , Shishir Kolathaya , Bharadwaj Amrutur

The benefit of multi-task learning over single-task learning relies on the ability to use relations across tasks to improve performance on any single task. While sharing representations is an important mechanism to share information across…

Machine Learning · Computer Science 2021-06-14 Shagun Sodhani , Amy Zhang , Joelle Pineau

A profound understanding of inter-agent relationships and motion behaviors is important to achieve high-quality planning when navigating in complex scenarios, especially at urban traffic intersections. We present a trajectory prediction…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Yuzhen Zhang , Wentong Wang , Weizhi Guo , Pei Lv , Mingliang Xu , Wei Chen , Dinesh Manocha

Despite decades of research, understanding human manipulation activities is, and has always been, one of the most attractive and challenging research topics in computer vision and robotics. Recognition and prediction of observed human…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Gamze Akyol , Sanem Sariel , Eren Erdal Aksoy

Videos of actions are complex signals containing rich compositional structure in space and time. Current video generation methods lack the ability to condition the generation on multiple coordinated and potentially simultaneous timed…

Computer Vision and Pattern Recognition · Computer Science 2021-06-14 Amir Bar , Roei Herzig , Xiaolong Wang , Anna Rohrbach , Gal Chechik , Trevor Darrell , Amir Globerson

Prior research has shown that human perception of similarity differs from mathematical measures in visual comparison tasks, including those involving directed acyclic graphs. This divergence can lead to missed differences and skepticism…

Human-Computer Interaction · Computer Science 2024-08-31 Kathrin Guckes , Alena Beyer , Margit Pohl , Tatiana von Landesberger

Sensor-based human activity recognition has become a critical component of many emerging applications ranging from behavioral medicine to gaming. However, an unprecedented increase in the diversity of sensor devices in the…

Machine Learning · Computer Science 2020-03-18 Parastoo Alinia , Iman Mirzadeh , Hassan Ghasemzadeh

Tactile predictive models can be useful across several robotic manipulation tasks, e.g. robotic pushing, robotic grasping, slip avoidance, and in-hand manipulation. However, available tactile prediction models are mostly studied for…

Robotics · Computer Science 2024-05-13 Willow Mandil , Kiyanoush Nazari , Amir Ghalamzan E

Advances in robot learning have enabled robots to generate skills for a variety of tasks. Yet, robot learning is typically sample inefficient, struggles to learn from data sources exhibiting varied behaviors, and does not naturally…

Developing robotic intelligent systems that can adapt quickly to unseen wild situations is one of the critical challenges in pursuing autonomous robotics. Although some impressive progress has been made in walking stability and skill…

Robotics · Computer Science 2025-02-27 Hongyin Zhang , Diyuan Shi , Zifeng Zhuang , Han Zhao , Zhenyu Wei , Feng Zhao , Sibo Gai , Shangke Lyu , Donglin Wang

Nuanced understanding and the generation of detailed descriptive content for (bimanual) manipulation actions in videos is important for disciplines such as robotics, human-computer interaction, and video content analysis. This study…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Fatemeh Ziaeetabar , Reza Safabakhsh , Saeedeh Momtazi , Minija Tamosiunaite , Florentin Wörgötter

Temporal Video Grounding (TVG) aims to localize video segments corresponding to a given textual query, which often describes human actions. However, we observe that current methods, usually optimizing for high temporal…

Artificial Intelligence · Computer Science 2026-02-16 Zhaoyu Chen , Hongnan Lin , Yongwei Nie , Fei Ma , Xuemiao Xu , Fei Yu , Chengjiang Long

The aim of this research is to recognize human actions performed on stage to aid visually impaired and blind individuals. To achieve this, we have created a theatre human action recognition system that uses skeleton data captured by depth…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Leyla Benhamida , Slimane Larabi

Due to burdensome data requirements, learning from demonstration often falls short of its promise to allow users to quickly and naturally program robots. Demonstrations are inherently ambiguous and incomplete, making correct generalization…

Machine Learning · Computer Science 2019-04-29 Wonjoon Goo , Scott Niekum

Surgical workflow anticipation can give predictions on what steps to conduct or what instruments to use next, which is an essential part of the computer-assisted intervention system for surgery, e.g. workflow reasoning in robotic surgery.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Xiatian Zhang , Noura Al Moubayed , Hubert P. H. Shum

Dynamic text-attributed graphs (DyTAGs) provide a powerful framework for modeling evolving systems in which node semantics and time-dependent interactions are tightly coupled. Recently, multimodal learning has emerged as a promising yet…

Machine Learning · Computer Science 2026-05-08 Trimble Chang , Yihang Liu , Mingjing Han , Han Zhang

Multi-task learning (MTL) aims to enhance the performance and efficiency of machine learning models by simultaneously training them on multiple tasks. However, MTL research faces two challenges: 1) effectively modeling the relationships…

Information Retrieval · Computer Science 2023-06-06 Danwei Li , Zhengyu Zhang , Siyang Yuan , Mingze Gao , Weilin Zhang , Chaofei Yang , Xi Liu , Jiyan Yang

Task planning in language agents is emerging as an important research topic alongside the development of large language models (LLMs). It aims to break down complex user requests in natural language into solvable sub-tasks, thereby…

Machine Learning · Computer Science 2024-10-29 Xixi Wu , Yifei Shen , Caihua Shan , Kaitao Song , Siwei Wang , Bohang Zhang , Jiarui Feng , Hong Cheng , Wei Chen , Yun Xiong , Dongsheng Li

Videos of robots interacting with objects encode rich information about the objects' dynamics. However, existing video prediction approaches typically do not explicitly account for the 3D information from videos, such as robot actions and…

Robotics · Computer Science 2024-10-25 Mingtong Zhang , Kaifeng Zhang , Yunzhu Li