ImageNetDiff: a visual aid to support the discovery of differences in Petri nets. In this paper we propose a method and present a tool as plugin for Renew that supports the process of discovery of differences in possibly conflicting versions of Petri net code. The method uses the image representaion of the net graph and compares the pixels of the exported Petri nets. The tool uses the image processing of ImageMagick. An open source graphical tool kit, which is available on all common operating systems

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