Mobile phones have evolved from devices that are just used for voice and text communication to platforms that are able to capture and transmit a range of data types (image, audio, ...
This paper presents a new interaction technique for camera-enabled mobile devices. The handheld device can be used for writing just by moving the device. In our method, interframe...
Using the new wireless technologies, mobile devices with small displays (handhelds, PDAs, mobile phones) are present in many environments. We are interested in the effective use of...
— Possessing knowledge about access point coverage areas and neighbors is of essential need for the provisioning of, e.g., location based handovers or push services. A convenient...
Sven D. Hermann, Marc Emmelmann, O. Belaifa, Adam ...
We show how to convert regular keyboard-entry CAPTCHAs into clickable CAPTCHAs. The goal of this conversion is to simplify and speed-up the entry of the CAPTCHA solution, to minim...
Richard Chow, Philippe Golle, Markus Jakobsson, Lu...