Using Variable Homography Mathematical Model to Measure Hairiness for the Application on Textile Surface Monitoring
Conference: The fiber society 2010
We propose an image processing approach, based on variable homography, which can be used to measure in-plane fiber’s length on textile fabrics. We suppose that a fibrous structure can be considered as a two-layer structure and then show how the variable homography can estimate the length of the fiber defects. First, simulations are carried out to show the effectiveness of the method to measure the fiber’s length, and then five different materials are tested. The true lengths of selected fibers are measured precisely using a VHX600 digital optical microscope, and then the same fibers are tested using our method. Comparison of the results allows evaluating its accuracy.
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