Foldio Digital Fabrication of Interactive and ShapeChanging Objects With Foldable Printed Electronics Foldios are foldable interactive objects with embedded input sensing and output capabilities. Foldios combine the advantages of folding for thin, lightweight and shape-changing objects with the strengths of thin-film printed electronics for embedded sensing and output. To enable designers and end-users to create highly custom interactive foldable objects, we contribute a new design […]
More Than Touch Understanding How People Use Skin as an Input Surface for Mobile Computing This paper contributes results from an empirical study of on-skin input, an emerging technique for controlling mobile devices. Skin is fundamentally different from off-body touch surfaces, opening up a new and largely unexplored interaction space. We investigate characteristics of the various skin-specific input modalities, analyze what kinds of gestures are […]
PrintScreen Fabricating Highly Customizable Thin-film Touch-Displays PrintScreen is an enabling technology for digital fabrication of customized flexible displays using thin-film electroluminescence (TFEL). It enables inexpensive and rapid fabrication of highly customized displays in low volume, in a simple lab environment, print shop or even at home. We show how to print ultra-thin (120 um) segmented and passive matrix displays in greyscale or multi-color on a […]
Flexpad Highly Flexible Bending Interactions for Projected Handheld Displays Flexpad is an interactive system that combines a depth camera and a projector to transform sheets of plain paper or foam into flexible, highly deformable and spatially aware handheld displays. We present a novel approach for tracking deformed surfaces from depth images in real time. It captures deformations in high detail, is very robust to occlusions […]
Pen-and-Paper User Interfaces Integrating printed and digital documents Abstract Even at the beginning of the 21st century, we are far from becoming paperless. Pen and paper is still the only truly ubiquitous information processing technology. Pen-and-paper user interfaces bridge the gap between paper and the digital world. Rather than replacing paper with electronic media, they seamlessly integrate both worlds in a hybrid user interface. Classical […]
Algorithmic Mechanism Design University of Freiburg 2005-2006 Abstract Computer systems with decentralized control structures, such as the internet or peer-to-peer and grid computing, are of growing importance. Their key characteristics are not only those of computer systems, but also those of economic systems: A large number of actors, each pursuing their individual goals, must collaborate in an efficient manner to perform shared tasks, e.g. routing […]
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