Journal of Algorithms
CyberCode: designing augmented reality environments with visual tags
DARE '00 Proceedings of DARE 2000 on Designing augmented reality environments
TRIP: A Low-Cost Vision-Based Location System for Ubiquitous Computing
Personal and Ubiquitous Computing
Marker Tracking and HMD Calibration for a Video-Based Augmented Reality Conferencing System
IWAR '99 Proceedings of the 2nd IEEE and ACM International Workshop on Augmented Reality
Video See-Through AR on Consumer Cell-Phones
ISMAR '04 Proceedings of the 3rd IEEE/ACM International Symposium on Mixed and Augmented Reality
ARTag, a Fiducial Marker System Using Digital Techniques
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Volume 2 - Volume 02
Improved Topological Fiducial Tracking in the reacTIVision System
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Workshops - Volume 03
Interacting with mobile services: an evaluation of camera-phones and visual tags
Personal and Ubiquitous Computing
Mobile interaction with visual and RFID tags: a field study on user perceptions
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
PERVASIVE'07 Proceedings of the 5th international conference on Pervasive computing
A conceptual framework for camera phone-based interaction techniques
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
Embedded media markers: marks on paper that signify associated media
Proceedings of the 15th international conference on Intelligent user interfaces
Tangible interfaces for download: initial observations from users' everyday environments
CHI '10 Extended Abstracts on Human Factors in Computing Systems
A shape-free, designable 6-DoF marker tracking method
ACM SIGGRAPH 2010 Posters
Ubicomp to the masses: a large-scale study of two tangible interfaces for download
Proceedings of the 12th ACM international conference on Ubiquitous computing
Proceedings of the international conference on Multimedia
International Conference on Multimodal Interfaces and the Workshop on Machine Learning for Multimodal Interaction
Securing interactive sessions using mobile device through visual channel and visual inspection
Proceedings of the 26th Annual Computer Security Applications Conference
The iLand of Madeira location aware multimedia stories
ICIDS'10 Proceedings of the Third joint conference on Interactive digital storytelling
AR-Room: a rapid prototyping framework for augmented reality applications
Multimedia Tools and Applications
Portable form filling assistant for the visually impaired
BCS '10 Proceedings of the 24th BCS Interaction Specialist Group Conference
International Journal of Creative Interfaces and Computer Graphics
From codes to patterns: designing interactive decoration for tableware
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Visual markers are graphic symbols designed to be easily recognised by machines. They are traditionally used to track goods, but there is increasing interest in their application to mobile HCI. By scanning a visual marker through a camera phone users can retrieve localised information and access mobile services. One missed opportunity in current visual marker systems is that the markers themselves cannot be visually designed, they are not expressive to humans, and thus fail to convey information before being scanned. This paper provides an overview of d-touch, an open source system that allows users to create their own markers, controlling their aesthetic qualities. The system runs in real-time on mobile phones and desktop computers. To increase computational efficiency d-touch imposes constraints on the design of the markers in terms of the relationship of dark and light regions in the symbols. We report a user study in which pairs of novice users generated between 3 and 27 valid and expressive markers within one hour of being introduced to the system, demonstrating its flexibility and ease of use.