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Sara Leckner
Tech.Dr., Researcher; School of Computer Science and Communication, Department of Media Technology and Graphic Arts, Royal Institute of Technology / KTH, Lindstedtsvägen 5, SE-10044 Stockholm, Sweden
Ester Appelgren
Tech.Lic., Researcher; School of Computer Science and Communication, Department of Media Technology and Graphic Arts, Royal Institute of Technology / KTH, Lindstedtsvägen 5, SE-10044 Stockholm, Sweden