Category book chapter

Gesture-Based Interfaces: Practical Applications of Gestures in Real World Mobile Settings

Although gesture-based interfaces have become a popular topic for research since the success of the “Put-That-There” system in 1980, gestures have not seen successful widespread use.

In the past, the design of gesture-based interfaces has focused on issues of gesture recognition with consideration of social or practical factors that affect the ability of users to perform gestures on the go largely missing. This work describes two important aspects of gestures design for mobile gesture and body-based interaction. First, this paper discusses the social acceptability of using gesture-based interfaces in the variety of locations where mobile interfaces are used. This includes a discussion of a variety of methods that can be used to evaluate social acceptability early on in the development process. Second, this paper discusses the practical implications of creating gesture recognition using accelerometer based sensing given the challenges of gesturing in mobile situations. This includes a discussion of body-based interactions and the scenarios where these might be used successfully.

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Author: Julie Rico
Author: Andrew Crossan
Author: Stephen Brewster
Department: University of Glasgow, Scotland, UK

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Emotional Affordances within Interactive Experiences

A Scientific Look at the Design of Aesthetically and Emotionally Engaging Interactive Entertainment Experiences.

The interactive entertainment industry has become a multi-billion dollar industry with revenues overcoming those of the movie industry (ESA, 2009). Beyond the demand for high fidelity graphics or stylized imagery, participants in these environments have come to expect certain aesthetic and artistic qualities that engage them at a very deep emotional level. These qualities pertain to the visual aesthetic, dramatic structure, pacing, and sensory systems embedded within the experience. All these qualities are carefully crafted by the creator of the interactive experience to evoke affect. In this book chapter, the authors will attempt to discuss the design techniques developed by artists to craft such emotionally engaging experiences. In addition, they take a scientific approach whereby we discuss case studies of the use of these design techniques and experiments that attempt to validate their use in stimulating emotions.

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