Interactive 3D Stereoscopic Dome with Automatic Calibration

In recent years, the advances in projection technology and the increasing rendering capacity of modern computers allowed the development of immersive digital domes. Digital dome systems are not limited to planetariums, but also find their way into science centers, theme parks, or multimedia events. However, most installations do not support 3D stereoscopic display, because of the difficulties the curved projection surface implies. In this paper, we present both the construction of a small 3D stereoscopic dome and a versatile multi-projector system that exploits the capabilities digital technology offers today. Our system performs automatic geometric and color projector calibration as well as soft-edge blending. Moreover, it implements real time media compositing, which allows enhancing dome viewing experiences and going beyond the simple playout of pre-rendered content by enabling user interaction.