Charade: remote control of objects using free-hand gestures
Communications of the ACM - Special issue on computer augmented environments: back to the real world
CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
The immediate usability of graffiti
Proceedings of the conference on Graphics interface '97
Telling humans and computers apart automatically
Communications of the ACM - Information cities
VisionWand: interaction techniques for large displays using a passive wand tracked in 3D
ACM SIGGRAPH 2004 Papers
SketchREAD: a multi-domain sketch recognition engine
Proceedings of the 17th annual ACM symposium on User interface software and technology
Enabling fast and effortless customisation in accelerometer based gesture interaction
Proceedings of the 3rd international conference on Mobile and ubiquitous multimedia
Design and analysis of delimiters for selection-action pen gesture phrases in scriboli
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
A usability study of short message service on middle-aged users
OZCHI '05 Proceedings of the 17th Australia conference on Computer-Human Interaction: Citizens Online: Considerations for Today and the Future
TinyMotion: camera phone based interaction methods
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Accelerometer-based gesture control for a design environment
Personal and Ubiquitous Computing
Gestures without libraries, toolkits or training: a $1 recognizer for user interface prototypes
Proceedings of the 20th annual ACM symposium on User interface software and technology
ROBIO '09 Proceedings of the 2008 IEEE International Conference on Robotics and Biomimetics
PhonePoint pen: using mobile phones to write in air
Proceedings of the 1st ACM workshop on Networking, systems, and applications for mobile handhelds
Handwritten character recognition using orientation quantization based on 3D accelerometer
Proceedings of the 5th Annual International Conference on Mobile and Ubiquitous Systems: Computing, Networking, and Services
Airwriting: demonstrating mobile text input by 3D-space handwriting
Proceedings of the 2012 ACM international conference on Intelligent User Interfaces
Humantenna: using the body as an antenna for real-time whole-body interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tapprints: your finger taps have fingerprints
Proceedings of the 10th international conference on Mobile systems, applications, and services
Experiencing real 3D gestural interaction with mobile devices
Pattern Recognition Letters
Mirage: exploring interaction modalities using off-body static electric field sensing
Proceedings of the 26th annual ACM symposium on User interface software and technology
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Numerous sensors in modern mobile phones enable a range of people-centric applications. This paper envisions a system called PhonePoint Pen that uses the in-built accelerometer in mobile phones to recognize human writing. By holding the phone like a pen, a user should be able to write short messages or draw simple diagrams in the air. The acceleration due to hand gestures can be translated into geometric strokes, and recognized as characters. We prototype the PhonePoint Pen on the Nokia N95 platform, and evaluate it through real users. Results show that English characters can be identified with an average accuracy of 91.9%, if the users conform to a few reasonable constraints. Future work is focused on refining the prototype, with the goal of offering a new user-experience that complements keyboards and touch-screens.