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Reinforcement Learning (RL) faces significant challenges in adaptive healthcare interventions, such as dementia care, where data is scarce, decisions require interpretability, and underlying patient-state dynamic are complex and causal in…

Robotics · Computer Science 2025-12-02 Wenzheng Zhao , Ran Zhang , Ruth Palan Lopez , Shu-Fen Wung , Fengpei Yuan

Structural topology optimization (TO) is central to engineering design but remains computationally intensive due to complex physics and hard constraints. Existing deep-learning methods are limited to fixed square grids, a few hand-coded…

Machine Learning · Computer Science 2025-10-29 Amin Heyrani Nobari , Lyle Regenwetter , Cyril Picard , Ligong Han , Faez Ahmed

Robotic manipulation is a fundamental component of automation. However, traditional perception-planning pipelines often fall short in open-ended tasks due to limited flexibility, while the architecture of a single end-to-end…

Interactions with articulated objects are a challenging but important task for mobile robots. To tackle this challenge, we propose a novel closed-loop control pipeline, which integrates manipulation priors from affordance estimation with…

Robotics · Computer Science 2023-02-07 Giulio Schiavi , Paula Wulkop , Giuseppe Rizzi , Lionel Ott , Roland Siegwart , Jen Jen Chung

Pre-trained vision-language-action (VLA) models offer a promising foundation for generalist robot policies, but often produce brittle behaviors or unsafe failures when deployed zero-shot in out-of-distribution scenarios. We present…

Robotics · Computer Science 2025-11-14 Cyrus Neary , Omar G. Younis , Artur Kuramshin , Ozgur Aslan , Glen Berseth

Language-conditioned manipulation facilitates human-robot interaction via behavioral cloning (BC), which learns control policies from human demonstrations and serves as a cornerstone of embodied AI. Overcoming compounding errors in…

Robotics · Computer Science 2025-12-24 Xiuxiu Qi , Yu Yang , Jiannong Cao , Luyao Bai , Chongshan Fan , Chengtai Cao , Hongpeng Wang

Traditional approaches in physics-based motion generation, centered around imitation learning and reward shaping, often struggle to adapt to new scenarios. To tackle this limitation, we propose AnySkill, a novel hierarchical method that…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Jieming Cui , Tengyu Liu , Nian Liu , Yaodong Yang , Yixin Zhu , Siyuan Huang

Vision-language-action models (VLAs) have become an increasingly popular approach for addressing robot manipulation problems in recent years. However, such models need to output actions at a rate suitable for robot control, which limits the…

Robotics · Computer Science 2025-09-30 Eric Hannus , Miika Malin , Tran Nguyen Le , Ville Kyrki

Detecting abnormal events in real-world customer service dialogues is highly challenging due to the complexity of business data and the dynamic nature of customer interactions. Moreover, models must demonstrate strong out-of-domain (OOD)…

Machine Learning · Computer Science 2025-07-03 Xiaoyun Zhang , Jingqing Ruan , Xing Ma , Yawen Zhu , Jiansong Chen , Ke Zeng , Xunliang Cai

Despite advances in Vision-Language-Action (VLA) models, robotic manipulation struggles with fine-grained tasks because current models lack mechanisms for active visual attention allocation. Human gaze naturally encodes intent, planning,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Anupam Pani , Yanchao Yang

Recent studies on Vision-Language-Action (VLA) models have shifted from the end-to-end action-generation paradigm toward a pipeline involving task planning followed by action generation, demonstrating improved performance on various…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chongkai Gao , Zixuan Liu , Zhenghao Chi , Junshan Huang , Xin Fei , Yiwen Hou , Yuxuan Zhang , Yudi Lin , Zhirui Fang , Zeyu Jiang , Lin Shao

Vision-Language-Action (VLA) models combine perception, language, and motor control in a single architecture, yet how they translate multimodal inputs into actions remains poorly understood. We apply activation injection, sparse…

Robotics · Computer Science 2026-03-20 Bryce Grant , Xijia Zhao , Peng Wang

Vision-Language-Action (VLA) models have recently shown strong potential for robot learning by following language instructions. However, in practice, language alone is often insufficient to precisely convey human intent. It is difficult to…

Generalizing beyond the training domain in image-based behavior cloning remains challenging. Existing methods address individual axes of generalization, workspace shifts, viewpoint changes, and cross-embodiment transfer, yet they are…

Robotics · Computer Science 2026-01-28 Ruiyu Wang , Zheyu Zhuang , Danica Kragic , Florian T. Pokorny

Reinforcement Learning (RL), recognized as an efficient learning approach, has achieved remarkable success across multiple fields and applications, including gaming, robotics, and autonomous vehicles. Classical single-agent reinforcement…

Machine Learning · Computer Science 2024-05-13 Jingpu Yang , Helin Wang , Qirui Zhao , Zhecheng Shi , Zirui Song , Miao Fang

Autonomous driving systems face significant challenges in achieving human-like adaptability, robustness, and interpretability in complex, open-world environments. These challenges stem from fragmented architectures, limited generalization…

Robotics · Computer Science 2025-08-01 Yi Zhang , Erik Leo Haß , Kuo-Yi Chao , Nenad Petrovic , Yinglei Song , Chengdong Wu , Alois Knoll

Language-driven grasp detection has the potential to revolutionize human-robot interaction by allowing robots to understand and execute grasping tasks based on natural language commands. However, existing approaches face two key challenges.…

Robotics · Computer Science 2025-07-22 Quang Nguyen , Tri Le , Huy Nguyen , Thieu Vo , Tung D. Ta , Baoru Huang , Minh N. Vu , Anh Nguyen

Achieving robot transparency is a critical step toward effective human-robot collaboration. To be transparent, a robot's natural language communication must be consistent with its actions and explicitly grounded in the task and environment.…

Robotics · Computer Science 2026-04-08 Theodor Wulff , Federico Tavella , Rahul Singh Maharjan , Manith Adikari , Angelo Cangelosi

Learning dexterous manipulation skills presents significant challenges due to complex nonlinear dynamics that underlie the interactions between objects and multi-fingered hands. Koopman operators have emerged as a robust method for modeling…

Foundation models like Vision-Language Models (VLMs) excel at common sense vision and language tasks such as visual question answering. However, they cannot yet directly solve complex, long-horizon robot manipulation problems requiring…