interaction
Avatar motion control by natural body movement via camera
Wed, 18/08/2010 - 08:27 | 
Jason Rutter
New entry in Digiplay games research bibliography:
With the popularity of cameras and rapid development of computer vision technology, vision-based HCI is attracting extensive interests. In this paper, we present a system for controlling avatars by natural body movement via a single web-camera. A pose database and a set of color markers are utilized to make ill-posed vision problem tractable for real game applications. Based on the proposed algorithms for indexing pose samples and estimating human pose, we build a prototype system that is responsive, easy to manipulate and runs automatically in real time. User study shows that the system is user-friendly and provides immersive experiences.
101 reads | 
Tags: game avatar control, interaction, monocular camera, Pose, pose estimation, Technology, Technology
Evaluating Video Game Design and Interactivity
Mon, 14/06/2010 - 15:19 | sharritt
New entry in Digiplay games research bibliography:
An emergent, bottom-up construction of video game interaction is presented, drawing from influences in ethnomethodology (Garfinkel, 1967), grounded theory (Glaser & Strauss, 1967), and activity theory (Vygotsky, 1978; Cole & Engeström, 1993; Kaptelinin & Nardi, 2006). Following, a qualitative case study highlights the use of affordances, or potentials for action, during video game player interaction among peers and the game interface. Relationships among affordances and levels of activity are presented, which broaden the concept of affordances to include motivations. Additionally, activity theory will complement analysis by introducing the mediational triangle (Cole & Engeström, 1993), providing a guide with which to analyze game player interactions and motives. The mediational triangle sheds light on the motivated activity itself, the tools available to complete the activity, and peer relationships (such as role specialization and rules of interaction) to evaluate game designs and their ability to fulfill serious purposes with meaningful outcomes.
207 reads | Tags: activity, Activity theory, Activity Theory, Affordance, Affordances, collaboration, collaborative learning, Document, Education, EDUCATION, Educational psychology, Ethnomethodology, Game design, gameplay, Games, Hershey, interaction, learning, Matthew J.
Source, Play, player, Psychology, Science, serious games, sharritt, situated learning, Technology, Technology, usability, Video game, Video Games
Game Play Schemas: From Player Analysis to Adaptive Game Mechanics
Sun, 23/11/2008 - 12:13 | acagamic
New entry in Digiplay games research bibliography:
Schema theory provides a foundation for the analysis of game play patterns created by players during their interaction with a game. Schema models derived from the analysis of play provide a rich explanatory framework for the cognitive processes underlying game play, as well as detailed hypotheses for the hierarchical structure of pleasures and rewards motivating players. Game engagement is accounted for as a process of schema selection or development, while immersion is explained in terms of levels of attentional demand in schema execution. However, schemas may not only be used to describe play, but might be used actively as cognitive models within a game engine. Predesigned schema models are knowledge representations constituting anticipated or desired learned cognitive outcomes of play. Automated analysis of player schemas and comparison with predesigned target schemas can provide a foundation for a game engine adapting or tuning game mechanics to achieve specific effects of engagement, immersion, and cognitive skill acquisition by players. Hence, schema models may enhance the play experience as well as provide a foundation for achieving explicitly represented pedagogical or therapeutic functions of games.
Add new comment | 1307 reads | Tags: Analysis, Attention, Cognition, cognitive model, engagement, Experience, Game, gameplay, interaction, Kantianism, PATTERNS, Philosophy, Play, player, Psychological theories, Psychology, schema, Schema, Science, script, Technology, Technology, Theory, understanding
Understanding movement for interaction design: Frameworks and approaches
Thu, 29/11/2007 - 13:20 | Jason Rutter
New entry in Digiplay games research bibliography:
The results of a study of two computer games, that use human movement as direct input, were analysed using four existing frameworks and approaches, drawn from different disciplines that relate to interaction and movement. This enabled the exploration of the relationships between bodily actions and the corresponding responses from technology. Interaction analysis, two design frameworks and Laban movement analysis were chosen for their ability to provide different perspectives on human movement in interaction design. Each framework and approach provided a different, yet still useful, perspective to inform the design of movement-based interaction. Each allowed us to examine the interaction between the player and the game technology in quite distinctive ways. Each contributed insights that the others did not.
Add new comment | 939 reads | Tags: Body, Communication, Design, embodied, Framework, Human-computer interaction, interaction, Interaction design, Laban Movement Analysis, MOVEMENT, player, Science
Transmedial interactions and digital games
Mon, 03/09/2007 - 08:51 | Jason Rutter
New entry in Digiplay games research bibliography:
As virtual worlds and games grow in both personal and cultural importance, present limitations in access to them is increasingly limiting their ability to achieve their potential. Transmedial access, in which a given player's access to a game is made possible across different devices, offers a promising solution to this problem. It also inaugurates a new category of interaction design: transmedial interaction. This workshop explores the state of the art of transmedial interaction in games, which today unfortunately is often at most mere afterthought. It provides a participatory environment in which attendees can chart new paths forward, from developing viable business models and understanding the technical infrastructure to developing critical vocabularies and evaluative frameworks.
Playing Audio-only Games: A compendium of interacting with virtual, auditory Worlds
Wed, 21/03/2007 - 17:35 | Jason Rutter
New entry in Digiplay games research bibliography:
Talking about games refers in today’s world often to the play of audio-visual computer games. Since their first introduction in the 1960s, computer games have evolved in many ways and are today one of the fastest growing industries. Besides the classic visual games, another niche has emerged over the last decade: audio-only computer games. The main difference to conventional games is that these games can only be played and perceived through sound and acoustics. Although, initially developed by and for the visually impaired community, these games posses huge potentials for mobile (transportable) gaming and can be enjoyed by all hearing. In this work we present an overview of audio-only games, and discuss the methods and techniques to play and design such auditory worlds. We further explore the evolved genres and address the advantages, as well as the limitations of audio based gaming. Our work is motivated by our own research in this area and the development of a framework, which allows an easy design and setup of audio-only computer games.
Digiplay Bibliography Updates
- 'It's in the Game' and Above the Game: An Analysis of the Users of Sports Videogames
- Theoretical Consoles: Concepts for Gadget Analysis
- Avatar motion control by natural body movement via camera
- Adoption of Mobile Games as Entertainment Technology : A Test of Extended Technology Acceptance Model
- Serious Video Games for Health: How Behavioral Science Guided the Development of a Serious Video Game
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