@inproceedings{2004_ubicomp_camera, author = {Anil Madhavapeddy and Dave Scott and Richard Sharp and Eben Upton}, booktitle = {Adjunct Proceedings of Ubicomp 2004 (Demo Track)}, month = {sep}, title = {Using Camera-Phones to Enhance Human-Computer Interaction}, url = {https://ubicomp.org/ubicomp2004/adjunct/demos/madhavapeddy.pdf}, year = {2004}}