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Alves-2019

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Conference proceedings article

Title Comparing Spatial and Mobile Augmented Reality for Guiding Assembling Procedures with Task Validation
Author João Alves, Bernardo Marques, Miguel Riem Oliveira, Tiago Araújo, Paulo Dias, Beatriz Sousa Santos
Booktitle Proceedings of the 19th IEEE International Conference on Autonomous Robot Systems and Competitions - ICARSC
Address
Volume
Pages 1-6
Month April
Year 2019
Group Intelligent Robotics and Systems
Group (before 2015)
Indexed by ISI Not known yet
Scope International

Assembly tasks are a common situation in many industrial applications. These tasks are often presented on paper or digital manuals containing instructions, photos or diagrams to guide an assembly sequence. While some Augmented Reality (AR) systems have also been proposed to support these processes, only a few track the state of the assembling procedure, validating the process in real-time. In this work, we propose two different AR-based (mobile and spatial AR) methods with real-time validation to provide assistance to users during the execution of an assembly process. The validation process uses computer vision techniques to keep track of the state of the assembly sequence, verifying the completion of each stage and providing information at the end of the assembly. A controlled experiment was used to compare the performance, ease of use, and acceptance of the two AR-based methods proposed. Participants were significantly faster and made fewer errors using the Spatial AR condition. Besides, participants also preferred this condition. In addition, Nasa TLX rating showed that the Spatial AR condition proven to have a slightly lower cognitive load on the participants.