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Multi-modal interaction with transformers: bridging robots and human with natural language

Published online by Cambridge University Press:  13 November 2023

Shaochen Wang Open the ORCID record for Shaochen Wang [Opens in a new window] ,
Zhangli Zhou ,
Bin Li ,
Zhijun Li  and
Zhen Kan
Shaochen Wang
Affiliation:
Department of Automation, University of Science and Technology of China, Hefei, 230026, China
Zhangli Zhou
Affiliation:
Department of Automation, University of Science and Technology of China, Hefei, 230026, China
Bin Li
Affiliation:
Department of Electronic and Information Science, University of Science and Technology of China, Hefei, 230026, China
Zhijun Li
Affiliation:
Institute of Artificial Intelligence, Hefei Comprehensive National Science Center, Hefei, 230031, China School of Mechanical Engineering, Tongji University, Shanghai, 200092, China
Zhen Kan*
Affiliation:
Department of Automation, University of Science and Technology of China, Hefei, 230026, China
*
Corresponding author: Zhen Kan; Email: zkan@ustc.edu.cn
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Abstract

The language-guided visual robotic grasping task focuses on enabling robots to grasp objects based on human language instructions. However, real-world human-robot collaboration tasks often involve situations with ambiguous language instructions and complex scenarios. These challenges arise in the understanding of linguistic queries, discrimination of key concepts in visual and language information, and generation of executable grasping configurations for the robot’s end-effector. To overcome these challenges, we propose a novel multi-modal transformer-based framework in this study, which assists robots in localizing spatial interactions of objects using text queries and visual sensing. This framework facilitates object grasping in accordance with human instructions. Our developed framework consists of two main components. First, a visual-linguistic transformer encoder is employed to model multi-modal interactions for objects referred to in the text. Second, the framework performs joint spatial localization and grasping. Extensive ablation studies have been conducted on multiple datasets to evaluate the advantages of each component in our model. Additionally, physical experiments have been performed with natural language-driven human-robot interactions on a physical robot to validate the practicality of our approach.

Keywords

multi-modal robot perceptionrobotic graspinghuman-robot interaction
Type
Research Article
Information
Robotica , Volume 42 , Issue 2 , February 2024 , pp. 415 - 434
Copyright
© The Author(s), 2023. Published by Cambridge University Press

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