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Asking clarifying questions in response to ambiguous or faceted queries has been recognized as a useful technique for various information retrieval systems, especially conversational search systems with limited bandwidth interfaces.…

信息检索 · 计算机科学 2020-06-16 Helia Hashemi , Hamed Zamani , W. Bruce Croft

Language understanding is essential for the navigation agent to follow instructions. We observe two kinds of issues in the instructions that can make the navigation task challenging: 1. The mentioned landmarks are not recognizable by the…

计算与语言 · 计算机科学 2023-02-21 Yue Zhang , Parisa Kordjamshidi

Autonomous navigation guided by natural language instructions is essential for improving human-robot interaction and enabling complex operations in dynamic environments. While large language models (LLMs) are not inherently designed for…

机器人学 · 计算机科学 2024-12-04 Pranav Doma , Aliasghar Arab , Xuesu Xiao

Multilingual pretraining and fine-tuning have remarkably succeeded in various natural language processing tasks. Transferring representations from one language to another is especially crucial for cross-lingual learning. One can expect…

计算与语言 · 计算机科学 2024-03-26 Shaoxiong Ji , Timothee Mickus , Vincent Segonne , Jörg Tiedemann

Vision-language Navigation (VLN) tasks require an agent to navigate step-by-step while perceiving the visual observations and comprehending a natural language instruction. Large data bias, which is caused by the disparity ratio between the…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Chong Liu , Fengda Zhu , Xiaojun Chang , Xiaodan Liang , Zongyuan Ge , Yi-Dong Shen

In current navigating platforms, the user's orientation is typically estimated based on the difference between two consecutive locations. In other words, the orientation cannot be identified until the second location is taken. This…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Jihun Lee , SP Choi , Bumsoo Kang , Hyekyoung Seok , Hyoungseok Ahn , Sanghee Jung

Autonomous mobile robots need to perceive the environments with their onboard sensors (e.g., LiDARs and RGB cameras) and then make appropriate navigation decisions. In order to navigate human-inhabited public spaces, such a navigation task…

机器人学 · 计算机科学 2023-09-25 Bhabaranjan Panigrahi , Amir Hossain Raj , Mohammad Nazeri , Xuesu Xiao

Since the rise of vision-language navigation (VLN), great progress has been made in instruction following -- building a follower to navigate environments under the guidance of instructions. However, far less attention has been paid to the…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Hanqing Wang , Wei Liang , Jianbing Shen , Luc Van Gool , Wenguan Wang

Understanding details of human multimodal interaction can elucidate many aspects of the type of information processing machines must perform to interact with humans. This article gives an overview of recent findings from Linguistics…

计算与语言 · 计算机科学 2020-08-10 João Ranhel , Cacilda Vilela

While interacting in the world is a multi-sensory experience, many robots continue to predominantly rely on visual perception to map and navigate in their environments. In this work, we propose Audio-Visual-Language Maps (AVLMaps), a…

机器人学 · 计算机科学 2023-03-28 Chenguang Huang , Oier Mees , Andy Zeng , Wolfram Burgard

Vision-and-language navigation (VLN) agents are trained to navigate in real-world environments by following natural language instructions. A major challenge in VLN is the limited availability of training data, which hinders the models'…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Zi-Yi Dou , Feng Gao , Nanyun Peng

Robots must adapt to diverse human instructions and operate safely in unstructured, open-world environments. Recent Vision-Language models (VLMs) offer strong priors for grounding language and perception, but remain difficult to steer for…

In this paper, we present a robotic navigation algorithm with natural language interfaces, which enables a robot to safely walk through a changing environment with moving persons by following human instructions such as "go to the restaurant…

机器人学 · 计算机科学 2018-09-13 Zhe Hu , Jia Pan , Tingxiang Fan , Ruigang Yang , Dinesh Manocha

There have been many studies in robotics to improve the communication skills of domestic service robots. Most studies, however, have not fully benefited from recent advances in deep neural networks because the training datasets are not…

机器人学 · 计算机科学 2021-07-05 Motonari Kambara , Komei Sugiura

Transformer based language models exhibit intelligent behaviors such as understanding natural language, recognizing patterns, acquiring knowledge, reasoning, planning, reflecting and using tools. This paper explores how their underlying…

机器学习 · 计算机科学 2023-11-15 Sumeet S. Singh

As human-robot collaboration advances, natural and flexible communication methods are essential for effective robot control. Traditional methods relying on a single modality or rigid rules struggle with noisy or misaligned data as well as…

机器人学 · 计算机科学 2025-04-03 Petr Vanc , Karla Stepanova

It is highly desirable for robots that work alongside humans to be able to understand instructions in natural language. Existing language conditioned imitation learning models directly predict the actuator commands from the image…

机器人学 · 计算机科学 2021-03-23 Sagar Gubbi Venkatesh , Raviteja Upadrashta , Bharadwaj Amrutur

Simultaneous machine translation (SiMT) outputs translation while reading source sentence and hence requires a policy to decide whether to wait for the next source word (READ) or generate a target word (WRITE), the actions of which form a…

计算与语言 · 计算机科学 2022-03-23 Shaolei Zhang , Yang Feng

We demonstrate how a sampling-based robotic planner can be augmented to learn to understand a sequence of natural language commands in a continuous configuration space to move and manipulate objects. Our approach combines a deep network…

机器人学 · 计算机科学 2020-02-20 Yen-Ling Kuo , Boris Katz , Andrei Barbu

Humans can collaborate and complete tasks based on visual signals and instruction from the environment. Training such a robot is difficult especially due to the understanding of the instruction and the complicated environment. Previous…

人工智能 · 计算机科学 2023-05-12 Kairui Zhou