Ioannis Leftheriotis
- Publications
- Influence
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Social Media have been gaining in popularity worldwide over the last years at an increasingly growing rate. The introduction of social media in companies enables a new method of communication among… Expand
The advent of programming languages for students (i.e., Scratch) combined with accessible programmable hardware platforms (i.e., Arduino) is becoming an emerging practice for computer science… Expand
In this paper, we present an updated set of experimental tasks and measures for large multi-touch (MT) input devices. In addition to a multi-user condition, we have employed an updated set of tasks,… Expand
In this paper, we propose a user-based video-indexing method, that automatically generates thumbnails of the most important scenes of an online video stream, by analyzing users’ interactions with a… Expand
Interactive displays (IDs) are increasingly employed in informal learning environments, where they are seen as a medium for enhancing students’ creativity, and engagement. Due to the larger space… Expand
In this paper, we present a system that facilitates the analysis of user activity within a web video. Previous research in user-based techniques has assumed an extra effort from the users, such as… Expand
MT (Multi-touch) screens are platforms that enhance multiuser collaboration. In this work, we underline the need for novel interaction techniques and toolkits that allow multi-user collaboration on… Expand
In this work, we present the design and implementation of a chorded menu for multiple users on a large multi-touch vertical display. Instead of selecting an item in a fixed menu by reaching for it,… Expand
In this research, we present a novel technique for user authentication. We take advantage of the fact that multi-touch screens have become apparent to almost any modern device so as to present a new… Expand