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Long-horizon manipulation remains challenging for vision-language-action (VLA) policies: real tasks are multi-step, progress-dependent, and brittle to compounding execution errors. We present LoHo-Manip, a modular framework that scales…

Robotics · Computer Science 2026-04-24 Isabella Liu , An-Chieh Cheng , Rui Yan , Geng Chen , Ri-Zhao Qiu , Xueyan Zou , Sha Yi , Hongxu Yin , Xiaolong Wang , Sifei Liu

Large language models (LLMs) deployed in user-facing applications require long-horizon consistency: the ability to remember prior interactions, respect user preferences, and ground reasoning in past events. However, contemporary memory…

Multiagent Systems · Computer Science 2026-02-04 Daivik Patel , Shrenik Patel

Embodied Chain-of-Thought (ECoT) reasoning enhances vision-language-action (VLA) models by improving performance and interpretability through intermediate reasoning steps. However, its sequential autoregressive token generation introduces…

Robotics · Computer Science 2025-09-23 Zhekai Duan , Yuan Zhang , Shikai Geng , Gaowen Liu , Joschka Boedecker , Chris Xiaoxuan Lu

Echo State Network (ESN) presents a distinguished kind of recurrent neural networks. It is built upon a sparse, random and large hidden infrastructure called reservoir. ESNs have succeeded in dealing with several non-linear problems such as…

Neural and Evolutionary Computing · Computer Science 2018-06-12 Naima Chouikhi , Boudour Ammar , Adel M. Alimi

Robotic manipulation in open-world environments requires reasoning across semantics, geometry, and long-horizon action dynamics. Existing hierarchical Vision-Language-Action (VLA) frameworks typically use 2D representations to connect…

Hierarchical Vision-Language-Action (VLA) models have rapidly become a dominant paradigm for robotic manipulation. It typically comprising a Vision-Language backbone for perception and understanding, together with a generative policy for…

Robotics · Computer Science 2026-05-19 Zaijing Li , Bing Hu , Rui Shao , Gongwei Chen , Dongmei Jiang , Pengwei Xie , Jianye Hao , Liqiang Nie

Since current Vision-Language-Action (VLA) systems suffer from limited spatial perception and the absence of memory throughout manipulation, we investigate visual anchors as a means to enhance spatial and temporal reasoning within VLA…

Robotics · Computer Science 2026-03-16 Juan Zhu , Zhanying Shao , Xiaoqi Li , Ethan Morgan , Jiadong Xu , Hongwei Fan , Hao Dong

Memory data are ubiquitous in Large Language Model (LLM)-based agents (e.g., OpenClaw and Manus). A few recent works have attempted to exploit agents'memory for improving their performance on the question-answering (QA) task, but they lack…

Computation and Language · Computer Science 2026-05-18 Jiawei Yu , Yixiang Fang , Xilin Liu , Yuchi Ma

We study reward models for long-horizon manipulation tasks by learning from action-free videos and language instructions, which we term the visual-instruction correlation (VIC) problem. Recent advancements in cross-modality modeling have…

Robotics · Computer Science 2025-02-21 Kuo-Han Hung , Pang-Chi Lo , Jia-Fong Yeh , Han-Yuan Hsu , Yi-Ting Chen , Winston H. Hsu

Long-horizon agents face the challenge of growing context size during interaction with environment, which degrades the performance and stability. Existing methods typically introduce the external memory module and look up the relevant…

Artificial Intelligence · Computer Science 2026-04-10 Ruoran Li , Xinghua Zhang , Haiyang Yu , Shitong Duan , Xiang Li , Wenxin Xiang , Chonghua Liao , Xudong Guo , Yongbin Li , Jinli Suo

Verbalization of robot experience, i.e., summarization of and question answering about a robot's past, is a crucial ability for improving human-robot interaction. Previous works applied rule-based systems or fine-tuned deep models to…

While end-to-end Vision-Language-Action (VLA) models offer a promising paradigm for robotic manipulation, fine-tuning them on narrow control data often compromises the profound reasoning capabilities inherited from their base…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Tianshuo Yang , Guanyu Chen , Yutian Chen , Zhixuan Liang , Yitian Liu , Zanxin Chen , Chunpu Xu , Haotian Liang , Jiangmiao Pang , Yao Mu , Ping Luo

Large language model (LLM)-based agents have shown strong potential in multi-task scenarios, owing to their ability to transfer knowledge across diverse tasks. However, existing approaches often treat prior experiences and knowledge as…

Artificial Intelligence · Computer Science 2025-09-17 Shicheng Ye , Chao Yu , Kaiqiang Ke , Chengdong Xu , Yinqi Wei

Current research on Vision-Language-Action (VLA) models predominantly focuses on enhancing generalization through established reasoning techniques. While effective, these improvements invariably increase computational complexity and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Riccardo Andrea Izzo , Gianluca Bardaro , Matteo Matteucci

Human activities are particularly complex and variable, and this makes challenging for deep learning models to reason about them. However, we note that such variability does have an underlying structure, composed of a hierarchy of patterns…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Simone Alberto Peirone , Francesca Pistilli , Giuseppe Averta

Establishing object-level correspondence between egocentric and exocentric views is essential for intelligent assistants to deliver precise and intuitive visual guidance. However, this task faces numerous challenges, including extreme…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yijun Hu , Bing Fan , Xin Gu , Haiqing Ren , Dongfang Liu , Heng Fan , Libo Zhang

Long-horizon decision-making tasks present significant challenges for LLM-based agents due to the need for extensive planning over multiple steps. In this paper, we propose a hierarchical framework that decomposes complex tasks into…

Machine Learning · Computer Science 2024-10-07 Qi Zhao , Haotian Fu , Chen Sun , George Konidaris

It is well known that many complex systems, both in technology and nature, exhibit hierarchical modularity: smaller modules, each of them providing a certain function, are used within larger modules that perform more complex functions. What…

Neural and Evolutionary Computing · Computer Science 2018-08-07 Payam Siyari , Bistra Dilkina , Constantine Dovrolis

Modern RL-based post-training for large language models (LLMs) co-locate trajectory sampling and policy optimisation on the same GPU cluster, forcing the system to switch between inference and training workloads. This serial context…

Machine Learning · Computer Science 2025-08-13 Jie Xiao , Changyuan Fan , Qingnan Ren , Alfred Long , Yuchen Zhang , Rymon Yu , Eric Yang , Lynn Ai , Shaoduo Gan

Static Application Security Testing (SAST) tools often suffer from high false positive rates, leading to alert fatigue that consumes valuable auditing resources. Recent efforts leveraging Large Language Models (LLMs) as filters offer…

Cryptography and Security · Computer Science 2026-03-05 Mingcheng Jiang , Jiancheng Huang , Jiangfei Wang , Zhengzhu Xie , Nan Fang , Guang Cheng , Xiaoyan Hu , Hua Wu
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