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GravitySpace is a new approach to tracking people and objects indoors. Unlike traditional solutions based on cameras, GravitySpace reconstructs scene data from a pressure-sensing floor. While the floor is limited to sensing objects in direct contact with the ground, GravitySpace reconstructs contents above the ground by first identifying objects based on their texture and then applying inverse kinematics.
GravitySpace is a research project by Alan Bränzel, Daniel Hoffmann, Marius Knaust, Patrick Lühne, René Meusel, and Stephan Richter supervised by Christian Holz, Dominik Schmidt, and Patrick Baudisch at the Human Computer Interaction Lab at Hasso Plattner Institute.
IllumiShare enables remote people to share any physical or digital object on any surface. It is a low-cost, peripheral device that looks like a desk lamp, and just like a lamp lights up a surface at which it is pointed, IllumiShare shares a surface. To do this, IllumiShare uses a camera-projector pair where the camera captures video of the local workspace and sends it to the remote space and the projector projects video of the remote workspace onto the local space. With IllumiShare, people can sketch together using real ink and paper, remote meeting attendees can interact with conference room whiteboards, and children can have remote play dates in which they play with real toys.