Controlling dynamic simulation with kinematic constraints
SIGGRAPH '87 Proceedings of the 14th annual conference on Computer graphics and interactive techniques
Pen computing: a technology overview and a vision
ACM SIGCHI Bulletin
Information Retrieval
Fluid interaction techniques for the control and annotation of digital video
Proceedings of the 16th annual ACM symposium on User interface software and technology
Improving menu placement strategies for pen input
GI '04 Proceedings of the 2004 Graphics Interface Conference
CrossY: a crossing-based drawing application
Proceedings of the 17th annual ACM symposium on User interface software and technology
Hover widgets: using the tracking state to extend the capabilities of pen-operated devices
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Phrasing techniques for multi-stroke selection gestures
GI '06 Proceedings of Graphics Interface 2006
Fluid inking: augmenting the medium of free-form inking with gestures
GI '06 Proceedings of Graphics Interface 2006
Informing the Design of Direct-Touch Tabletops
IEEE Computer Graphics and Applications
UIST '06 Proceedings of the 19th annual ACM symposium on User interface software and technology
Applied Optimization with MATLAB Programming
Applied Optimization with MATLAB Programming
InkSeine: In Situ search for active note taking
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Shift: a technique for operating pen-based interfaces using touch
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Pointing lenses: facilitating stylus input through visual-and motor-space magnification
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Lucid touch: a see-through mobile device
Proceedings of the 20th annual ACM symposium on User interface software and technology
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Optimal parameters for efficient crossing-based dialog boxes
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
ShadowGuides: visualizations for in-situ learning of multi-touch and whole-hand gestures
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
RearType: text entry using keys on the back of a device
Proceedings of the 12th international conference on Human computer interaction with mobile devices and services
Physical and digital media usage patterns on interactive tabletop surfaces
ACM International Conference on Interactive Tabletops and Surfaces
Toward localizing audiences' gaze using a multi-touch electronic whiteboard with sPieMenu
Proceedings of the 16th international conference on Intelligent user interfaces
Evaluating physical/virtual occlusion management techniques for horizontal displays
INTERACT'11 Proceedings of the 13th IFIP TC 13 international conference on Human-computer interaction - Volume Part III
Hand occlusion on a multi-touch tabletop
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Occlusion-aware interaction techniques for tabletop systems
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Multitouch Gestures for Constrained Transformation of 3D Objects
Computer Graphics Forum
PhantomPen: virtualization of pen head for digital drawing free from pen occlusion & visual parallax
Proceedings of the 25th annual ACM symposium on User interface software and technology
Two-Finger Gestures for 6DOF Manipulation of 3D Objects
Computer Graphics Forum
International Journal of Creative Interfaces and Computer Graphics
ObjecTop: occlusion awareness of physical objects on interactive tabletops
Proceedings of the 2013 ACM international conference on Interactive tabletops and surfaces
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We present results from an experiment examining the area occluded by the hand when using a tablet-sized direct pen input device. Our results show that the pen, hand, and forearm can occlude up to 47% of a 12 inch display. The shape of the occluded area varies between participants due to differences in pen grip rather than simply anatomical differences. For the most part, individuals adopt a consistent posture for long and short selection tasks. Overall, many occluded pixels are located higher relative to the pen than previously thought. From the experimental data, a five-parameter scalable circle and pivoting rectangle geometric model is presented which captures the general shape of the occluded area relative to the pen position. This model fits the experimental data much better than the simple bounding box model often used implicitly by designers. The space of fitted parameters also serves to quantify the shape of occlusion. Finally, an initial design for a predictive version of the model is discussed.