Collaborative 3D for Mobile and Desktop Computers

Collaborative 3D applications are becoming very popular over the internet, however, these applications are mainly meant for desktop computers with fast internet bandwidth. With the increasing popularity and capabilities of mobile 3D applications, huge research interests have been generated in efficient rendering methods of 3D graphical objects in multi-modal devices. This research will examine how annotation can be used to improve collaboration and manipulation of 3D objects over multimodal devices.

The task is divided into several subtasks: examining different types of resources required for 3D rendering on mobile devices, investigating how annotation can improve 3D applications in terms of data reduction and selective rendering, and studying collaboration on multimodal devices. The findings of this research will help improve the feasibility of collaborative 3D applications where multiple users can manipulate a common 3D object efficiently.

Enclosed Space Definition (below), for example, is a simple but innovative approach to improve rendering efficiency by using a simplified but rich definition and concepts of portal rendering. This can be achieved by creating an annotation mechanism to improve understanding of a 3D scene and to filter out irrelevant objects. The decision making process can then be significantly improved based on new knowledge obtained from the annotation of 3D scenes.