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Fruit profilometry based on shadow Moiré techniques

机译:基于阴影摩尔纹技术的水果轮廓仪

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摘要

The Moiré Techniques (MT) are a group of techniques based on the moiré phenomenon, which are commonly used in profilometry, due to your simplicity and measurement speed. The moiré phenomenon consists of the interference caused by the overlapping of two periodic structures or grids. Shadow TM with multiplication of fringes is more sensitive than the traditional method and besides, they reduce the effects of the illumination difference in the surface of the object in study. The objective of this work was to generate a digital model of the surface of the pear for shadow TM with multiplication of fringes and to compare with another model generated starting from scanner 3D. For this, a model of a pear, in scale 1:1, made in paraffin and an experimental set up outline with moiré grid, light and digital photographic camera were used. The results showed a high correlation among the results from the two methods. Shadow TM with multiplication of fringes gave a satisfactory determination of topography of the pear.
机译:摩尔纹技术(MT)是基于摩尔纹现象的一组技术,由于您的简便性和测量速度,它们通常用于轮廓测量中。云纹现象由两个周期性结构或网格的重叠所引起的干扰组成。带有条纹乘法的Shadow TM比传统方法更灵敏,此外,它们还减少了研究对象表面照明差异的影响。这项工作的目的是为阴影TM生成带有条纹的梨的梨表面的数字模型,并与从扫描仪3D开始生成的另一个模型进行比较。为此,使用了以石蜡制成的比例为1:1的梨模型以及带有莫尔条纹,光和数码相机的实验装置轮廓。结果表明两种方法的结果之间具有高度相关性。带有条纹的阴影Shadow TM令人满意地确定了梨的形貌。

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