Masters Degrees (Computer Science)

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Automatic recognition and interpretation of finite state automata diagrams
(Stellenbosch : Stellenbosch University, 2015-12) Babalola, Olusola Tope; Van Zijl, Lynette; Stellenbosch University. Faculty of Science. Department Mathematical Sciences (Computer Science)
ENGLISH ABSTRACT : An application capable of reading graphically-encoded information is beneficial to blind or visually impaired students. Such a system needs to recognize and understand visual markings and their arrangement as presented in a diagram image. In that light, this thesis examines the practical possibility of a real world system for the automatic recognition and interpretation of machine-printed Finite State Automata diagrams. The suggested system uses known image processing and pattern recognition methods to extract the visual markings from the diagram image pixels. A second stage, to interpret the meaning of the diagram, is based on modeling the language of Finite State Automata diagrams using Constraint Multiset Grammars. Our results show that a practical application for automatic interpretation of Finite State Automata diagrams is possible.