We describe our data collection and results on activity recognition with wearable, coin-sized
sensor devices. The devices were attached to four different parts of the body: right thigh and …

Embodied interaction technologies allow us to enhance physical artifacts surrounding us by
adding an information layer to the artifacts. The information layer that we call virtual forms …

We are now living in smart cities, where information technologies enhance our everyday life.
For example, our energy management and traffic management have become smarter …

Various smart artifacts that embed computers and sensors have been developed. Some of
these artifacts include extra hardware components to enhance their functionalities, but the …

The proliferation of awareness technologies-sensors, actuators and perception
algorithmshas created novel design opportunities for everyday objects, and has enabled …

In this paper, we propose a novel computer gaming style Lifestyle Ubiquitous Gaming,
where our experience is enriched in our daily lives by using gaming concepts. In lifestyle …

In this paper, we study a method of associating a person and an object utilized by him/her in
real-time and an ad-hoc manner. The correlation coefficient is utilized to represent the …

We propose a tangible experiment support system that facilitates safe and independent
chemistry experiments. For safe experiments, the system displays messages that alert a …

Sentient artefacts are our everyday life objects augmented with various sensors for value
added services. We have been exploiting these artefacts for perceiving user context and …

In this article, we propose an augmented book cover and a bookmark as means for implicit
interaction with a book. Implicit interaction is a style of human-computer interaction, in which …