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Virtual subjective pilling evaluation: An alternative

机译：虚拟主观起球评估：另一种选择

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摘要

This paper reports an alternative approach for the evaluation of fabric pilling. On this approach, orthogonal projections of the three-dimensional (3D) fabric images are used directly to virtually evaluate the pilling formation of the fabrics. The 3D images of the fabrics are obtained through the reconstruction of the topography of the real textile fabrics. For that, a dual-scanning optical system (triangulation system) was used, which was developed and implemented by our research team. This evaluation approach is performed by comparing the appearance of the orthogonal projections of the 3D fabric images with the same photographic standard sets used in the conventional subjective method. For the validation of the obtained results with this methodology, a comparison was carried out relative to a reference subjective evaluation. This reference evaluation corresponds to a subjective evaluation of the fabrics originally performed by a panel of experts. A comparison was also performed between the results obtained with this methodology and those obtained by an objective evaluation. This objective evaluation corresponds to the automatic attribution of the equivalent pilling grade to the fabrics, based on the calculation of the total volume of pilling formed in their surfaces. The final results obtained with the described methodology were showed to be globally in agreement with both the reference subjective and the objective evaluations. Subsequently, this method shows potential as an alternative approach for the virtual subjective evaluation of fabric pilling.
机译：本文报道了一种评估织物起球的替代方法。在这种方法中，直接使用三维（3D）织物图像的正交投影来虚拟评估织物的起球形成。织物的3D图像是通过重建真实纺织织物的形貌获得的。为此，使用了双扫描光学系统（三角测量系统），该系统由我们的研究团队开发和实施。该评估方法是通过将 3D 织物图像的正交投影的外观与传统主观方法中使用的相同摄影标准集进行比较来执行的。为了验证使用该方法获得的结果，进行了与参考主观评估的比较。该参考评估相当于最初由专家小组对织物进行的主观评估。还对使用该方法获得的结果与通过客观评估获得的结果进行了比较。这种客观评估相当于根据织物表面形成的起球总体积的计算，自动将等效起球等级归因于织物。使用所述方法获得的最终结果与参考主观和客观评估都在全球范围内一致。随后，该方法显示出作为织物起球虚拟主观评估的替代方法的潜力。

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