EMIS: building an extended mobile interface space using projection-based mobile phone

These days, the mobile phone has been developed as a smart device which has various applications and services. However, most interfaces are manipulated on a small display panel and that imposes restrictions on the natural interface. For example, detailed touch is required for users to select a specific region, and that can be solved by making a large screen. However, larger screen reduces mobility which is the important characteristic of mobile device.