A camera-projector module based space figure understanding support system

We propose a camera-projector module based space figure understanding support system. The system is able to create the 3D model of a space figure automatically by visual sensing of the drawn space figure on a plane such as a paper. Furthermore, the system adopted a new hardware and an user interface unlike existing system. The system is composed of following three parts; Recognition part, User Interface part and Display part. In recognition part, the system captures the space figure image and builds 3D model by estimating the figure. The 3D model is built by optimization after detecting apparent vertices, edges and faces. In user interface part, the system detects the positions of tangible interfaces placed by a user. In display part, the system determines where to project the information autonomously and projects 3D images. In this paper, we confirmed that users don´t feel displeasure at the proposed system, and the system supports user´s understanding of space figures.