In order to determine the geometrical dimensions of spliced connections of yarn-ends, an algorithm was elaborated using the image analysis technique for determining the dimensions. Thanks applying a Laplace filter, an optimum quality of images with distinguished regions of homogeneity was achieved. The "Arithmetic Operations"procedure were used for determining the geometrical dimensions of the spliced yarn-ends, and the small random error values below 0,6% of the average value of measurement results, give evidence of the high repeatability of results. The algorithm of image digitalisation proposed by us, together with measurements of the geometry of spliced connections of yarn ends enabled their identification. The connection of yarn-ends by splicing was realised with use of the Jointair 4941 splicing-device from Mesdan.
Computer image analysis techniques used for identification of textile products, especially linear textile products, are presented in this paper, together with a brief review of the historical development of these methods. Automatic image correction are described, as well as half-automatic methods, which are often applied for identification of linear textile products, and also can used for identification of spiced yarn-end connections.
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