Screen Codes: Efficient Data Transfer from Video Displays to Mobile Devices

Collomosse, J and Kindberg, T (2007) Screen Codes: Efficient Data Transfer from Video Displays to Mobile Devices

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Abstract

We present ‘Screen codes’ - a space- and time-efficient, aesthetically compelling method for transferring data from a display to a camera-equipped mobile device. Screen codes encode data as a grid of luminosity fluctuations within an arbitrary image, displayed on the video screen and decoded on a mobile device. These ‘twinkling’ images are a form of ‘visual hyperlink’, by which users can move dynamically generated content to and from their mobile devices. They help bridge the ‘content divide’ between mobile and fixed computing.

Item Type:	Conference or Workshop Item (Paper)
Additional Information:	Copyright 2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Divisions:	Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Vision Speech and Signal Processing
Depositing User:	Symplectic Elements
Date Deposited:	12 Dec 2012 09:10
Last Modified:	23 Sep 2013 19:38
URI:	http://epubs.surrey.ac.uk/id/eprint/721465

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