Dipl.-Inform. Simon Voelker
I am a PhD student and research assistant at the Media Computing Group. My research is in the area of interactive tabletops and tangible interfaces.
|Knobology Revisited: A Comparison of User Performance between Tangible and Virtual Rotary Knobs: We present an experimental comparison of tangible rotary knobs and touch-based virtual knobs in three output conditions: eyes-on, eyes-free, and peripheral. Twenty participants completed a simple rotation task on a interactive surface with four different input techniques (two tangibles and two virtual touch widgets) in the three output conditions, re- presenting the distance from the locus of attention. We found that users were in average 20% faster using tangible knobs than using the virtual knobs. We found that tangible knobs retains performance even if they are not in the locus of attention of the users. We provide four recommendations of suitable choosing knobs based on tasks and design constraints. (read more)|
Note at ITS 2015
|PERCs: Persistently Trackable Tangibles on Capacitive Multi-Touch Displays: PERCs use the touch probing signal from capacitive touch screens to determine whether the tangibles are on- or off-screen. This allows robust capacitive tangible widgets regardless of being touched. (read more)|
Paper and Demo at UIST 2015 and Demo at ITS 2015
|Combining Direct and Indirect Touch Input for Interactive Workspaces using Gaze Input: Interactive workspaces combine horizontal and vertical touch surfaces into a single digital workspace.However, direct interaction on the vertical surface is cumbersome. To overcome these problems, indirect touch systems use the horizontal touch surface into an input devices that allows manipulation of objects on the vertical display. If the horizontal touch surface also acts as a display, however, it becomes necessary to distinguish which screen is currently in use by providing a switching mode. In three studies we investigate the use of gaze tracking to perform these mode switches. (read more)|
FullPaper at SUI 2015. Received Honorable Mention Award.
|An Interaction Model for Grasp-Aware Tangibles on Interactive Surfaces: Tangibles on interactive surfaces enable users to physically manipulate digital content by placing, manipulating, or removing a tangible object. However, the information whether and how a user grasps these objects has not been mapped out for tangibles on interactive surfaces so far. Based on Buxton’s Three-State Model for graphical input, this paer present an interaction model that describes input on tangibles that are aware of the user’s grasp. (read more)|
Note at ITS 2014
|Passive Untouched Capacitive Widgets (PUCs) are simple physical widgets the can be detected by an unmodified capacitive touch screen without being touched by a user. They can be used on most existing projected-capacitive displays. (read more)|
Note and demo at ITS 2013 and demo at UIST 2013
|Indirect Touch is a multitouch system in which users indirectly manipulate objects on the vertical screen by with touches on the horizontal screen. This interaction improves ergonomics of interactions over an extended period by reducing gorilla arm (vertical screen) and stiff neck (horizontal screen). (read more)|
Full paper at CHI 2013
|Understanding Flicking on Curved Surfaces: In this paper we analyzed how people execute flicking gestures and explored what types of error they make and derived a first model to predict these errors . (read more)|
Full paper at CHI 2012.
|Dynamic Portals is a light-weight touch-based technique that allows to transfer virtual objects to distant locations on an interactive tabletop. (read more)|
Note at ITS 2011. Received Best Note Award.
|FingerFlux is a haptic output technique that provides near-surface haptic feedback on interactive tabletops. It combines an electromagnetic display with a permanent magnet attached to the user's index finger. (read more)|
Paper and demo at UIST 2011.
|BendDesk is an interactive desk environment that merges a vertical and a horizontal display with a curve. The entire surface is touch sensitive and supports direct manipulation of digital objects. (read more)|
Full paper and demo at ITS 2010.
|WS 2015|| The Media Computing Project |
Lab TA with Christian Cherek
|SS 2015|| PDUI Seminar |
|WS 2014/15|| iPhone Programming |
|SS 2014|| PDUI Seminar |
|WS 2013/2014||Programmierung für Alle (Java) |
|SS 2013|| Mulit Media Madness Project |
Lab tutor, with René Bohne
|WS 2012/13||Designing Interactive Systems I |
Lecture TA and Lab tutor, with Christian Corsten and Chat Wacharamanotham
|SS 2012|| Mulit Media Madness Project |
Lab tutor, with Jan-Peter Krämer and René Bohne
|WS 2011/12|| Designing Interactive Systems I |
Lecture TA and Lab tutor, with Chat Wacharamanotham
Other InvolvementsAbend der offenen Tür / Open House Night
MACS: Maritime Control Systems of the Future
PublicationsAn arrow marks a major peer-reviewed archival publication.
|Simon Voelker, Kosuke Nakajima, Christian Thoresen, Yuichi Itoh, Kjell Ivar Øvergård, and Jan Borchers. PUCs Demo: Detecting Transparent, Passive Untouched Capacitive Widgets on Unmodified Multi-touch Displays. In UIST EA '13: Extended Abstracts of the ACM Symposium on User Interface Software and Technology, pages 1–2, New York, NY, USA, 2013. ACM. .|
|Simon Voelker, Kosuke Nakajima, Christian Thoresen, Yuichi Itoh, Kjell Ivar Øvergård, and Jan Borchers. PUCs Demo: Detecting Transparent, Passive Untouched Capacitive Widgets. In ITS EA '13: Extended Abstracts of the ITS '13: Proceedings of the 2013 ACM International Conference on Interactive Tabletops and Surfaces, pages 325–328, New York, NY, USA, 2013. ACM. .|
|Simon Voelker, Kosuke Nakajima, Christian Thoresen, Yuichi Itoh, Kjell Ivar Øvergård, and Jan Borchers. PUCs: Detecting Transparent, Passive Untouched Capacitive Widgets on Unmodified Multi-touch Displays. In ITS '13: Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces, pages 101–104, New York, NY, USA, 2013. ACM. .|
|Fabian Hennecke, Simon Voelker, Maximilian Schenk, Hauke Schaper, Jan Borchers, and Andreas Butz. Simplifying Remote Collaboration Through Spatial Mirroring. In INTERACT '13: Proceedings of the 14th IFIP TC13 Conference on Human-Computer Interaction, INTERACT '13, pages 624–631. Springer Berlin Heidelberg, 2013. .|
|Nur Al huda Hamdan, Simon Voelker, and Jan Borchers. Conceptual Framework for Surface Manager on Interactive Tabletops. In CHI '13 EA: Extended Abstracts of 2013 ACM SIGCHI Conference on Human Factors in Computing, pages 1527–1532, New York, NY, USA, 2013. ACM. .|
|Fabian Hennecke, Simon Voelker, Maximilian Schenk, Hauke Schaper, Jan Borchers, and Andreas Butz. PerspectiveTable: Blending Physical and Virtual Collaborative Workspaces. In Workshop on Blending Interaction, Paris, France, April 2013. .|
|Simon Voelker, Chat Wacharamanotham, and Jan Borchers. An Evaluation of State Switching Methods for Indirect Touch Systems. In CHI '13: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, pages 745–754, New York, NY, USA, April 2013. ACM. .|
|Simon Voelker, Christine Sutter, Lei Wang, and Jan Borchers. Understanding Flicking on Curved Surfaces. In CHI '12: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, CHI '12, pages 189–198, New York, NY, USA, 2012. ACM. .|
|Malte Weiss, Simon Voelker, and Jan Borchers. BendDesk: Seamless Integration of Horizontal and Vertical Multi-Touch Surfaces in Desk Environments. In Adjunct Proceedings ITS ’09. ACM, New York, NY, USA, 2009. ACM. .|
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