Browsing Information Technology by Author "Redfern, Sam"
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The Automatic Morphological Description and Classification of Archaeological Monuments from Vertical Aerial Photographs.
Redfern, Sam; Lyons, Gerard J.; Redfern, R. M. (OESI/IMVIP, 1998)For most of this century, aerial photography has been an important technique for the discovery, recording and analysis of archaeological sites. For many regions there are vast archives of aerial photographs available; ... -
Collaborative Virtual Environments to Support Communication and Community in Internet-Based Distance Education
Redfern, Sam; Naughton, Niall (jite.org, 2002)In this paper we discuss the use of modern information and communication technologies for distance education (DE) purposes. We argue that current technologies and implementations do not adequately support the key concepts ... -
Digital elevation modelling of individual monuments from aerial photographs
Redfern, Sam; Lyons, Gerard J. (John Wiley & Sons, 1999)Digital elevation models (DEM) are crucial data products for a variety of geographic applications, and their generation directly from digitized stereopairs of vertical aerial photographs has recently been accomplished. ... -
Emotion Tracking for Remote Conferencing Applications using Neural Networks.
Paul Smith and Sam Redfern; Smith, Paul; Redfern, Sam (The 21st National Conference on Artificial Intelligence and Cognitive Science, 2010-08-31)In face-to-face work, discussion and negotiation relies strongly on non-verbal feedback, which provides important clues to negotiation states such as agreement/disagreement and understanding/confusion, as well as indicating ... -
Evolving Racetrack Knowledge in a Racing Game.
Redfern, Sam (21st National Conference on Artificial Intelligence and Cognitive Science, 2010-07-30)This paper discusses the use of a Genetic Algorithm (GA) to evolve waypoint-based racing lines for computer-controlled cars in an online game. One goal is the reduction of developer effort, in order to automatically produce ... -
Experimental Assessment of an Emotion Tracking Software Agent (ETA) for Assisting Communicative Interactions of Multitasking Users in Groupware
Smith, Paul; Redfern, Sam (Eurosis, 2011-08-22)Interactions such as discussion and negotiation in face-to-face work contexts strongly rely on non-verbal feedback. Such feedback provides indications of important negotiation states such as agreement or disagreement and ... -
A Framework for Digital Wide-Area Survey from Aerial Photographs
Redfern, Sam (Wordwell Ltd., 1998)Despite the potential offered by modern computer technology to the labour-intensive work of 'Aerial Archaeology', few applications have been published. Where developments have been made, they have tended to be carried out ... -
Player-Traced Empirical Cost-Surfaces for A* Pathfinding
Redfern, Sam (Eurosis, 2011)This paper discusses the use of empirical cost-surfaces derived from substantial amounts of player-traced movements in an online vehicular combat game, for the purposes of improving A* pathfinding by AI vehicles. The ... -
The WCC Heuristic Evaluation Set - A Methodology for Evaluating the Usability of Web Communication and Collaboration (WCC) Groupware in Teaching and Learning.
Gormley, Paul; Redfern, Sam (EdTech, 2007)A growing number of workplaces and educational environments are implementing virtual teams (VTs) or intend to in the future, and it is likely that most information workers will become part of a virtual team at some stage ...