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Learning-based methods have improved locomotion skills of quadruped robots through deep reinforcement learning. However, the sim-to-real gap and low sample efficiency still limit the skill transfer. To address this issue, we propose an…

Robotics · Computer Science 2024-03-19 Haojie Shi , Tingguang Li , Qingxu Zhu , Jiapeng Sheng , Lei Han , Max Q. -H. Meng

Incorporating a robotic manipulator into a wheel-legged robot enhances its agility and expands its potential for practical applications. However, the presence of potential instability and uncertainties presents additional challenges for…

Robotics · Computer Science 2024-03-29 Zifan Wang , Yufei Jia , Lu Shi , Haoyu Wang , Haizhou Zhao , Xueyang Li , Jinni Zhou , Jun Ma , Guyue Zhou

To make sense of their surroundings, intelligent systems must transform complex sensory inputs to structured codes that are reduced to task-relevant information such as object category. Biological agents achieve this in a largely autonomous…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Robin Weiler , Matthias Brucklacher , Cyriel M. A. Pennartz , Sander M. Bohté

Recent works use a neuro-symbolic framework for general manipulation policies. The advantage of this framework is that -- by applying off-the-shelf vision and language models -- the robot can break complex tasks down into semantic subtasks.…

Vision-Language Models (VLMs) have made significant strides in static image understanding but continue to face critical hurdles in spatiotemporal reasoning. A major bottleneck is "multi-image reasoning hallucination", where a massive…

Artificial Intelligence · Computer Science 2026-04-14 Xiaoda Yang , Shuai Yang , Can Wang , Jingyang Xue , Menglan Tang , Checheng Yu , Xunzhe Zhou , Sashuai Zhou , Tao Jin , Lixin Yang , Xiangyu Yue , Zhou Zhao

Embodied Large Language Models (LLMs) enable AI agents to interact with the physical world through natural language instructions and actions. However, beyond the language-level risks inherent to LLMs themselves, embodied LLMs with…

Robotics · Computer Science 2026-03-03 Xinyu Huang , Qiang Yang , Leming Shen , Zijing Ma , Yuanqing Zheng

Working memory is a central component of intelligent behavior, providing a dynamic workspace for maintaining and updating task-relevant information. Recent work has used n-back tasks to probe working-memory-like behavior in large language…

Computation and Language · Computer Science 2026-02-05 Sichu Liang , Hongyu Zhu , Wenwen Wang , Deyu Zhou

Reward design remains a critical bottleneck in visual reinforcement learning (RL) for robotic manipulation. In simulated environments, rewards are conventionally designed based on the distance to a target position. However, such precise…

Machine Learning · Computer Science 2025-09-29 Nan Tang , Jing-Cheng Pang , Guanlin Li , Chao Qian , Yang Yu

Mobile GUI agents excel at immediate reactive control but frequently fail in realistic, long-horizon tasks that require memory. This failure stems from a fundamental conflict between limited context windows and token-heavy screenshots. To…

Computation and Language · Computer Science 2026-05-29 Junyang Wang , Haiyang Xu , Xi Zhang , Zhaoqing Zhu , Ming Yan , Jieping Ye , Jitao Sang

Sim-to-real transfer remains a critical bottleneck for deploying dexterous manipulation policies learned in simulation to real-world robots. Existing approaches rely on manually designed domain randomization or task-specific adaptation,…

Robotics · Computer Science 2026-05-08 Zijian Zeng , Fei Ding , Huiming Yang , Xianwei Li , Yuhao Liao

Large transformer-based pre-trained language models have achieved impressive performance on a variety of knowledge-intensive tasks and can capture factual knowledge in their parameters. We argue that storing large amounts of knowledge in…

Computation and Language · Computer Science 2022-08-16 Jivat Neet Kaur , Sumit Bhatia , Milan Aggarwal , Rachit Bansal , Balaji Krishnamurthy

Large language models have achieved near-expert performance in structured reasoning domains like mathematics and programming, yet their ability to perform compositional multi-hop reasoning in specialized scientific fields remains limited.…

Artificial Intelligence · Computer Science 2026-03-09 Yuval Kansal , Niraj K. Jha

Language grounding aims at linking the symbolic representation of language (e.g., words) into the rich perceptual knowledge of the outside world. The general approach is to embed both textual and visual information into a common space -the…

Computation and Language · Computer Science 2021-09-15 Hassan Shahmohammadi , Hendrik P. A. Lensch , R. Harald Baayen

Conventional navigation pipelines for legged robots remain largely geometry-centric, relying on dense SLAM representations that are fragile under rapid motion and offer limited support for semantic decision making in open-world exploration.…

Robotics · Computer Science 2026-03-09 Guoyang Zhao , Yudong Li , Weiqing Qi , Kai Zhang , Bonan Liu , Kai Chen , Haoang Li , Jun Ma

Complex reasoning in tool-augmented agent frameworks is inherently long-horizon, causing reasoning traces and transient tool artifacts to accumulate and strain the bounded working context of large language models. Without explicit memory…

Artificial Intelligence · Computer Science 2026-01-14 Hongjin Qian , Zhao Cao , Zheng Liu

Vision-Language Models (VLMs) have rapidly advanced by leveraging powerful pre-trained Large Language Models (LLMs) as core reasoning backbones. As new and more capable LLMs emerge with improved reasoning, instruction-following, and…

Artificial Intelligence · Computer Science 2026-04-14 Sameera Horawalavithana , Lauren Phillips , Ian Stewart , Sai Munikoti , Karl Pazdernik

Embodied manipulation is a fundamental ability in the realm of embodied artificial intelligence. Although current embodied manipulation models show certain generalizations in specific settings, they struggle in new environments and tasks…

Generation of stroke-based non-photorealistic imagery, is an important problem in the computer vision community. As an endeavor in this direction, substantial recent research efforts have been focused on teaching machines "how to paint", in…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Jaskirat Singh , Liang Zheng

Equipping agents with memory is essential for solving real-world long-horizon problems. However, most existing agent memory mechanisms rely on static and hand-crafted workflows. This limits the performance and generalization ability of…

Artificial Intelligence · Computer Science 2026-03-30 Yupeng Huo , Yaxi Lu , Zhong Zhang , Haotian Chen , Yankai Lin

Large multimodal models have demonstrated impressive problem-solving abilities in vision and language tasks, and have the potential to encode extensive world knowledge. However, it remains an open challenge for these models to perceive,…

Artificial Intelligence · Computer Science 2024-09-24 Yew Ken Chia , Qi Sun , Lidong Bing , Soujanya Poria