Johann Gebhardt

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—Automatically identifying that a certain page in a set of documents is printed with a different printer than the rest of the documents can give an important clue for a possible forgery attempt. Different printers vary in their produced printing quality, which is especially noticeable at the edges of printed characters. In this paper, a system using the(More)
—In this paper, we present a novel QoS (quality of service) multicast routing protocol (QMRP) for partially mobile wireless TDMA (time division multiple access) networks. This protocol has been inspired by the typical requirements of industrial networked control systems, i.e., systems exhibiting real-time behavior and therefore requiring predictable(More)
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