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Nowadays Field Programmable Gate Arrays (FPGA) are used in many fields of research, e.g. to create prototypes of hardware or in applications where hardware functionality has to be changed more frequently. Boolean circuits, which can be implemented by FPGAs are the compiled result of hardware description languages such as Verilog or VHDL. Odin II is a tool, which supports developers in the research of FPGA based applications and FPGA architecture exploration by providing a framework for compilation and verification. In combination with the tools ABC, T-VPACK and VPR, Odin II is part of a CAD flow, which compiles Verilog source code that targets specific hardware resources. This paper describes the development of a graphical user interface as part of Odin II. The goal is to visualize the results of these tools in order to explore the changing structure during the compilation and optimization processes, which can be helpful to research new FPGA architectures and improve the workflow.
Nowadays perception is still an up-to-date scienti fic issue on a mobile robot system. This thesis introduces an approach on how to recognize objects, namely numbers, using a digital camera on a Volksbot robot. The robot used in this thesis has been specifi cally designed for the SICK robot day. The development of the vision algorithm was done in two stages: the region of interest detection and the actual number recognition. Diff erent algorithms had been tested and evaluated and the Canny edge detector with contour finding has been proven to be the best choice for the region of interest detection and the Tesseract OCR engine was the best decision for number recognition. To integrate the vision component on an existing robot system, ROS was used. This thesis also discusses the integration of the EPOS motor controller into ROS.