Fundamentals of Texture Mapping and Image Warping
Fundamentals of Texture Mapping and Image Warping
Using visual tags to bypass Bluetooth device discovery
ACM SIGMOBILE Mobile Computing and Communications Review
Sweep and point and shoot: phonecam-based interactions for large public displays
CHI '05 Extended Abstracts on Human Factors in Computing Systems
Visual Code Widgets for Marker-Based Interaction
ICDCSW '05 Proceedings of the Fifth International Workshop on Smart Appliances and Wearable Computing - Volume 05
The Smart Phone: A Ubiquitous Input Device
IEEE Pervasive Computing
Performance evaluation of visible-light wireless communication system using white LED lightings
ISCC '04 Proceedings of the Ninth International Symposium on Computers and Communications 2004 Volume 2 (ISCC"04) - Volume 02
Reading LCD/LED Displays with a Camera Cell Phone
CVPRW '06 Proceedings of the 2006 Conference on Computer Vision and Pattern Recognition Workshop
Mobile visual interaction: enhancing local communication and collaboration with visual interactions
MUM '06 Proceedings of the 5th international conference on Mobile and ubiquitous multimedia
Interacting with mobile services: an evaluation of camera-phones and visual tags
Personal and Ubiquitous Computing
Real-world interaction with camera phones
UCS'04 Proceedings of the Second international conference on Ubiquitous Computing Systems
Bokode: imperceptible visual tags for camera based interaction from a distance
ACM SIGGRAPH 2009 papers
PixNet: interference-free wireless links using LCD-camera pairs
Proceedings of the sixteenth annual international conference on Mobile computing and networking
COBRA: color barcode streaming for smartphone systems
Proceedings of the 10th international conference on Mobile systems, applications, and services
LightSync: unsynchronized visual communication over screen-camera links
Proceedings of the 19th annual international conference on Mobile computing & networking
Coloured video code for in-flight data transmission
ICVS'13 Proceedings of the 9th international conference on Computer Vision Systems
MagnetiCode: physical mobile interaction through time-encoded magnetic identification tags
Proceedings of the 8th International Conference on Tangible, Embedded and Embodied Interaction
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We present a novel technique for optical data transfer between public displays and mobile devices based on unsynchronized 4D barcodes. We assume that no direct (electromagnetic or other) connection between the devices can exist. Time-multiplexed, 2D color barcodes are displayed on screens and recorded with camera equipped mobile phones. This allows to transmit information optically between both devices. Our approach maximizes the data throughput and the robustness of the barcode recognition, while no immediate synchronization exists. Although the transfer rate is much smaller than it can be achieved with electromagnetic techniques (e.g., Bluetooth or WiFi), we envision to apply such a technique wherever no direct connection is available. 4D barcodes can, for instance, be integrated into public web-pages, movie sequences, advertisement presentations or information displays, and they encode and transmit more information than possible with single 2D or 3D barcodes.