G. Tolt (Sweden)
fuzzy, junction detection, corner, FPGA.
In this paper, the initial work on a fuzzy approach for de tecting multi-junctions in edgeness images (points where two or more edges meet) is presented. An 11x11 pixel processing window is divided into overlapping sectors, in which the presence and orientation of line segments is de termined by forming the intersection of fuzzy sets, each carrying uncertain information about the orientation of a line. The number of line segments gives the type of pixel. Some experiments are shown, illustrating the performance as well as a rough estimate of the resources required for FPGA implementation, for which the method has been de veloped.
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