Occlusion Handling in Augmented Reality System for Human-Assisted Assembly Task

Authors:
Chi Xu;Shiqi Li;Junfeng Wang;Tao Peng;Ming Xie
Affiliations:
School of Mechanical Science & Engineering, Huazhong University of Science & Technology, Wuhan, China 430074;School of Mechanical Science & Engineering, Huazhong University of Science & Technology, Wuhan, China 430074;School of Mechanical Science & Engineering, Huazhong University of Science & Technology, Wuhan, China 430074;School of Mechanical Science & Engineering, Huazhong University of Science & Technology, Wuhan, China 430074;School of Mechanical & Aerospace Engineering, Nanyang Technological University, Singapore 639798
Venue:
ICIRA '08 Proceedings of the First International Conference on Intelligent Robotics and Applications: Part II
Year:
2008

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Abstract

Augmented reality (AR) based human-machine interaction (HMI) provided a seamless interface between user and application environment, but occlusion handing remained as a tough problem in AR applications. Recently most AR occlusion handling algorithms aimed at general environment, more special research on AR occlusion handling for application in the context of industrial assembly, such as assembly training and assembly task guidance, is required. An occlusion handling method aimed at video see-through AR-based assembly system is presented based on the analysis of the occlusion between virtual part, visual assembly feature, navigation information, physical part and physical assembly environment in the context of virtual/physical assembly working space. The method was implemented in prototype AR-assembly system and was proved to be efficient in handling the virtual/physical occlusion in augmented assembly scene.