The computer for the 21st century
ACM SIGMOBILE Mobile Computing and Communications Review - Special issue dedicated to Mark Weiser
The Everywhere Displays Projector: A Device to Create Ubiquitous Graphical Interfaces
UbiComp '01 Proceedings of the 3rd international conference on Ubiquitous Computing
Visual tracking of bare fingers for interactive surfaces
Proceedings of the 17th annual ACM symposium on User interface software and technology
Guidelines for conducting and reporting case study research in software engineering
Empirical Software Engineering
The Factor Structure of the System Usability Scale
HCD 09 Proceedings of the 1st International Conference on Human Centered Design: Held as Part of HCI International 2009
Bonfire: a nomadic system for hybrid laptop-tabletop interaction
Proceedings of the 22nd annual ACM symposium on User interface software and technology
Proceedings of the 4th ACM SIGCHI symposium on Engineering interactive computing systems
Self-adaptive software needs quantitative verification at runtime
Communications of the ACM
Proceedings of the 14th international ACM SIGACCESS conference on Computers and accessibility
Edutainment'12/GameDays'12 Proceedings of the 7th international conference on Edutainment, and Proceedings of the 3rd international conference on E-Learning and Games for Training, Education, Health and Sports
LightBeam: interacting with augmented real-world objects in pico projections
Proceedings of the 11th International Conference on Mobile and Ubiquitous Multimedia
Assistive systems in production environments: exploring motion recognition and gamification
Proceedings of the 5th International Conference on PErvasive Technologies Related to Assistive Environments
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Production work requires a high level of awareness and especially manual assembly work is prone to human errors. At the same time the demand for manual assembly grows. Assistive systems in production environments (ASiPE) have to be augmented to improve the overall performance and reduce skill requirements. In this study the prototype of an augmented ASiPE is applied in an experiment with impaired persons. It uses in-situ projection (i.e. the projection of work-relevant information directly into the working space, Figures 1, 8) to cognitively assist users in assembly and to improve their inclusion in regular work processes. The aim is to observe their behavior with this new form of human computer interaction and to empirically quantify the effects on performance both in time and quality. The results show that the augmentation has a catalytic effect: The test subjects assembling slowly could not cope with the augmented ASiPE and performed worse than their counterparts without augmentation. The test subjects who worked faster than average assembled the product significantly better, both with respect to time (14.5% reduction) and especially to quality (45.8% error reduction). The ability to access the potential of augmented workplaces seems to be related to a worker' cognitive potential which is not adequately mapped by the competence ratios sheltered work organizations currently use.