The music table enables the composition of musical patterns by arranging cards on a tabletop. An overhead camera allows the computer to track the movements and positions of the cards and to provide immediate feedback in the form of music and on-screen computer generated images. Musical structure is experienced as a tangible space enriched with physical and visual cues about the music produced.

A human activity that expresses one's emotion is significantly important in non-verbal communications. Human body motion such as a dance performance is one of the important factors in expressing such an emotion. An effective method to extract emotional information in real time from dance images is described. A novel heuristic function is also proposed to evaluate the degree of harmony between two dancers. As a typical application, a dance system called MIDAS that interactively combines dancers' images with video, sound, and CG characters is introduced. MIDAS can visualize how well dancers are in harmony with each other and encourage their expressions.

We have been researching a method for expressing emotional images by utilizing multimedia like video and sound and so on. Human body motion is one of the important essences in expressing human emotion. We chose dance as a subject of our research, because dance performers perform motion to express the emotion in their mind. Our research results show that the multiple regression method effectively extracts human emotion from simple motion parameters given by image processing. MIDAS (MIC Interactive Dance System) is an application of the emotion extraction method. The extraction method and MIDAS are introduced.