Temari and Shadow: an interactive installation combining virtual handicraft and real shadow

To provide cultural night experiences with tourists in Kanazawa City, we exhibited our interactive digital installation titled "Temari and Shadow" at the open space of the 21st Century Museum of Contemporary Art, Kanazawa. Our installation utilizes shadows cast by people standing in front of a projector. We chose Kanazawa's Kaga Temari, a hand-sized colorful toy ball made of thread, as a motif of this work. Our shadow-based system achieved 60 fps in rendering and we estimate that the time required for the response of a shadow is 133 ms. However, the latency can be shortened by a projector with a higher refresh rate. The result of the questionnaire at the exhibition suggests that our system is widely accepted by the people of various ages.