Based on fuzzy clustering under the image background, this study proposes a new stroke extraction method of Manchu. Firstly, the digital image processing method is used to extract the Manchu word from an image background picture, do the de-noising, thinning, pruning and other pre-processed for fuzzy clustering. Then the mid-axis of Manchu character, termination point, interior points, intersection points is defined and finds the boundary point on mid-axis, use the stroke growth algorithm to separate the stroke so as to achieve the purpose of Manchu text stroke elaborates. To verify the feasibility of the method, this study carried out a text extraction on handwritten Manchu and printed Manchu. Simulation results show that the method is effective in separating the Manchu stroke and laid a solid foundation to the further study of Manchu identification.
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