Twinkle is a novel interface for interaction with an arbitarary physical surface using handheld projectors. It determines the features of the physical environment and displays images and sounds that are generated according to these features.

Project detail:
- http://projects.tachilab.org/twinkle/
Project members:
- Takumi Yoshida, Yuki Hirobe, Hideaki Nii, Naoki Kawakami, Susumu Tachi