What is it about?
Fiducial markers are typically used to track physical objects through computer vision. In this research, we further explored how to create low cost and functional physical interfaces with printed fiducial markers on paper. Specifically, we investigated deconstructing fiducial markers through paper craft techniques, such as cutting and folding, to create pliable structures that hide and reveal the printed fiducial markers to enable detection with a computer vision system.
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Photo by Joanna Kosinska on Unsplash
Why is it important?
From our exploration, we demonstrate a variety of functional physical interfaces built with printed fiducial markers and paper. These physical interfaces are cheap to produce and can be easily customized to support new tangible interactions. For example, we constructed a three dimensional bar chart for blind and low vision people. Pressing on a bar will trigger a computer system to read out more details about that specific data point.
Perspectives
Through this research, we also hope to illustrate a materials-led approach to the development of computational systems, particularly tangible interfaces.
Clement Zheng
National University of Singapore
Read the Original
This page is a summary of: Tangible Interfaces with Printed Paper Markers, July 2020, ACM (Association for Computing Machinery),
DOI: 10.1145/3357236.3395578.
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