An Easy System of Spatial Points Collection Based On ARtoolKit

In this paper, we propose and develop an interactive system based on ARtoolKit, which can be employed to pick up points in spatial environment. This system is composed of four parts: Detection Pen (DP), single marker, webcam and computer. It is tracked using markers and the system translates the center position of DPpsila s leading marker to the location of pen-point within the webcam coordinate system. Therefore, the positions in physical world can be detected by acquiring the pen-point coordinate within the single marker coordinate system. As the markers-based image segmentation for a small region is swift, the process is a real-time. The experimental result indicates that it is able to pick-up points steadily. In addition, the system is easy and quite convenient to operate. So it has good potential in 3D interaction design.