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Learning goal-oriented dialogues by means of deep reinforcement learning has recently become a popular research topic. However, commonly used policy-based dialogue agents often end up focusing on simple utterances and suboptimal policies.…

Machine Learning · Computer Science 2020-05-26 Rui Zhao , Volker Tresp

Robot assistants for older adults and people with disabilities need to interact with their users in collaborative tasks. The core component of these systems is an interaction manager whose job is to observe and assess the task, and infer…

Intelligent systems need to be able to recover from mistakes, resolve uncertainty, and adapt to novel concepts not seen during training. Dialog interaction can enable this by the use of clarifications for correction and resolving…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Aishwarya Padmakumar , Raymond J. Mooney

In multiple unmanned ground vehicle confrontations, autonomously evolving multi-agent tactical decisions from situational awareness remain a significant challenge. Traditional handcraft rule-based methods become vulnerable in the…

Artificial Intelligence · Computer Science 2025-07-16 Li Wang , Qizhen Wu , Lei Chen

Different from Visual Question Answering task that requires to answer only one question about an image, Visual Dialogue involves multiple questions which cover a broad range of visual content that could be related to any objects,…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Xiaoze Jiang , Jing Yu , Zengchang Qin , Yingying Zhuang , Xingxing Zhang , Yue Hu , Qi Wu

Many real-world applications require an agent to make robust and deliberate decisions with multimodal information (e.g., robots with multi-sensory inputs). However, it is very challenging to train the agent via reinforcement learning (RL)…

Machine Learning · Computer Science 2023-02-21 Jinming Ma , Feng Wu , Yingfeng Chen , Xianpeng Ji , Yu Ding

Humans are able to identify a referred visual object in a complex scene via a few rounds of natural language communications. Success communication requires both parties to engage and learn to adapt for each other. In this paper, we…

Artificial Intelligence · Computer Science 2017-12-05 Yan Zhu , Shaoting Zhang , Dimitris Metaxas

Video-based dialog task is a challenging multimodal learning task that has received increasing attention over the past few years with state-of-the-art obtaining new performance records. This progress is largely powered by the adaptation of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Huda Alamri , Anthony Bilic , Michael Hu , Apoorva Beedu , Irfan Essa

The application of artificial intelligence to simulate air-to-air combat scenarios is attracting increasing attention. To date the high-dimensional state and action spaces, the high complexity of situation information (such as imperfect and…

Machine Learning · Computer Science 2023-09-21 Ardian Selmonaj , Oleg Szehr , Giacomo Del Rio , Alessandro Antonucci , Adrian Schneider , Michael Rüegsegger

The ability to engage in goal-oriented conversations has allowed humans to gain knowledge, reduce uncertainty, and perform tasks more efficiently. Artificial agents, however, are still far behind humans in having goal-driven conversations.…

Computation and Language · Computer Science 2019-07-30 Pushkar Shukla , Carlos Elmadjian , Richika Sharan , Vivek Kulkarni , Matthew Turk , William Yang Wang

We present a machine learning framework for multi-agent systems to learn both the optimal policy for maximizing the rewards and the encoding of the high dimensional visual observation. The encoding is useful for sharing local visual…

Robotics · Computer Science 2018-12-14 Hyung-Jin Yoon , Huaiyu Chen , Kehan Long , Heling Zhang , Aditya Gahlawat , Donghwan Lee , Naira Hovakimyan

Visual language tasks require AI models to comprehend and reason with both visual and textual content. Driven by the power of Large Language Models (LLMs), two prominent methods have emerged: (1) the hybrid integration between LLMs and…

Computation and Language · Computer Science 2023-08-22 Diji Yang , Kezhen Chen , Jinmeng Rao , Xiaoyuan Guo , Yawen Zhang , Jie Yang , Yi Zhang

Developing a generalist agent is a longstanding objective in artificial intelligence. Previous efforts utilizing extensive offline datasets from various tasks demonstrate remarkable performance in multitasking scenarios within Reinforcement…

Artificial Intelligence · Computer Science 2024-11-19 Yonggang Jin , Ge Zhang , Hao Zhao , Tianyu Zheng , Jarvi Guo , Liuyu Xiang , Shawn Yue , Stephen W. Huang , Zhaofeng He , Jie Fu

Artificial Intelligence (AI) has significantly advanced in recent years, driving innovation across various fields, especially in robotics. Even though robots can perform complex tasks with increasing autonomy, challenges remain in ensuring…

Human-Computer Interaction · Computer Science 2025-03-24 Anargh Viswanath , Lokesh Veeramacheneni , Hendrik Buschmeier

Deep reinforcement learning provides a promising approach for text-based games in studying natural language communication between humans and artificial agents. However, the generalization still remains a big challenge as the agents depend…

Computation and Language · Computer Science 2021-09-22 Yunqiu Xu , Meng Fang , Ling Chen , Yali Du , Chengqi Zhang

We propose a multimodal (vision-and-language) benchmark for cooperative and heterogeneous multi-agent learning. We introduce a benchmark multimodal dataset with tasks involving collaboration between multiple simulated heterogeneous robots…

Artificial Intelligence · Computer Science 2022-08-30 Vasu Sharma , Prasoon Goyal , Kaixiang Lin , Govind Thattai , Qiaozi Gao , Gaurav S. Sukhatme

Unified vision-language models have made significant progress in multimodal understanding and generation, yet they largely fall short in producing multimodal interleaved outputs, which is a crucial capability for tasks like visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Ming Nie , Chunwei Wang , Jianhua Han , Hang Xu , Li Zhang

Automatic optimization of spoken dialog management policies that are robust to environmental noise has long been the goal for both academia and industry. Approaches based on reinforcement learning have been proved to be effective. However,…

Human-Computer Interaction · Computer Science 2016-11-18 Hang Ren , Weiqun Xu , Yonghong Yan

In this work we propose a novel end-to-end imitation learning approach which combines natural language, vision, and motion information to produce an abstract representation of a task, which in turn is used to synthesize specific motion…

Robotics · Computer Science 2019-11-27 Simon Stepputtis , Joseph Campbell , Mariano Phielipp , Chitta Baral , Heni Ben Amor

Visual Dialog is a vision-language task that requires an AI agent to engage in a conversation with humans grounded in an image. It remains a challenging task since it requires the agent to fully understand a given question before making an…

Computation and Language · Computer Science 2019-12-19 Feilong Chen , Fandong Meng , Jiaming Xu , Peng Li , Bo Xu , Jie Zhou