Superior augmented reality registration by integrating landmark tracking and magnetic tracking
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Interpretation of Printed Forms for Blind People
CAIP '95 Proceedings of the 6th International Conference on Computer Analysis of Images and Patterns
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
Multiring Fiducial Systems for Scalable Fiducial-Tracking Augmented Reality
Presence: Teleoperators and Virtual Environments
Hacking the Nintendo Wii Remote
IEEE Pervasive Computing
Digital Ink to Form Alignment for Electronic Clipboard Devices
DAS '08 Proceedings of the 2008 The Eighth IAPR International Workshop on Document Analysis Systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Pose tracking from natural features on mobile phones
ISMAR '08 Proceedings of the 7th IEEE/ACM International Symposium on Mixed and Augmented Reality
Putting the physical into the digital: issues in designing hybrid interactive surfaces
Proceedings of the 23rd British HCI Group Annual Conference on People and Computers: Celebrating People and Technology
Bringing tabletop technologies to kindergarten children
Proceedings of the 23rd British HCI Group Annual Conference on People and Computers: Celebrating People and Technology
Using augmentations as bridges from concrete to abstract representations
Proceedings of the 23rd British HCI Group Annual Conference on People and Computers: Celebrating People and Technology
DIY design process for interactive surfaces
Proceedings of the 23rd British HCI Group Annual Conference on People and Computers: Celebrating People and Technology
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The filling of printed forms has always been an issue for the visually impaired. Though optical character recognition technology has helped many blind people to 'read' the world, there is not a single device that allows them to fill out apaper-based form without a human assistant. The task of filling forms is however an essential part of their daily lives, for example, for access to social security or benefits. This paper describes a solution that allows a blind person to complete paper-based forms, pervasively and independently, using only off-the-shelf equipment including a Smartphone, aclipboard with slidingruler, and aballpoint pen. A dynamic color fiduciary (point of reference) marker is designed so that it can be moved by the user to any part of the form such that all regions can be "visited". This dynamic color fiduciary marker is robust to camera focus and partial occlusion, allowing flexibility in handling the Smartphone with embedded camera. Feedback is given to the blind user via both voice and tone to facilitate efficient guidance in filling out the form. Experimental results have shown that this prototype can help visually impaired people to fill out a form independently.