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Diplomarbeit 2003 (DA03): Arbeits-Archiv
 
DA Kls 03/3 - Object surveillance with a GSM-Handy
Studierende: Claudio Panciera, pancicla
  Andreas Schaerli, schaeand

Betreuer: Rolf Klaus, klsr

The goal of this diploma thesis is the surveillance of objects by means of a mobile phone. The pictures taken by the observation cameras can be displayed on a java enabled mobile phone. The cameras could be either an AXIS Network camera or low-cost USB cameras. The AXIS network camera is very expensive, but it has a lot of features like moving horizontally and vertically and it also has a zoom objective. All functions of the camera can be controlled through the integrated web server. The low-cost USB cameras are very cheap, but they can neither move horizontally nor vertically and the quality of the pictures is not very good, too.

At the beginning of the diploma thesis the functions of the AXIS camera were analysed and a few small applications were implemented to show how the camera works an how it can be controlled.

In a second step the technologies that are required to transmit a picture from the observation cameras to the mobile phone has been evaluated. The compression and the size of the picture had also to be taken into account. According to the results of these studies, it was decided to implement a central software, the CamManager. The CamManager enables the communication between a mobile phone and the cameras. The CamManager runs as a service on a computer connected to the Internet. The network camera is connected to this computer too.

In a next step the CamManager was extended to provide the possibility to connect low-cost USB cameras. Because there already was a software that communicates with the mobile phone, this enhancement was done by adding a single module to the CamManager.

At the end the possibility to connect movement detectors to the CamManager was implemented. In order to connect movement detectors to the PC, an interface for the parallel port was developed. With this interface the CamManager is able to take and save a picture associated to the movement detector and send a SMS to the predefined mobile phone number.

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