Together with Prof. Tyyne Claudia Pollmann, of the "Kunsthochschule Berlin Weißensee", we implemented a person tracking project. She had won the call for an exhibit within the new Charité building "Charité Cross Over". The Team around Ralf Reulke was charged with the development of the system. A 2 Megapixel high quality camera was used with an 4 core computing unit and a very fast graphics card. The tracking software from a former project was adapted, such that heavy image computations were implemented in the graphical processing unit. The results showed a high frame rate processing of 12 to 13 frames per second.

The homepage of Leave a Trace can be found at: cco-trace-web.charite.de (As of March 2014)

Figure 1: Trajectories of an arbitrary work day

Figure 2: Interaction of a visitor at the low frequented Christmas Eve '13

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