Fast Multifrequency Phase Unwrapping Method Based on 3D Printing Object Appearance Acquisition

IF 2.3 4区工程技术 Q3 ENGINEERING, MANUFACTURING

3D Printing and Additive Manufacturing Pub Date : 2023-10-11 DOI:10.1089/3dp.2023.0166

Xiaomei Zheng, Yongqing Wang, Guohong Du, Shaoshuai Yin

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引用次数: 0

Abstract

3D printing is an indispensable technology in modern life and is widely used in aerospace, exoskeleton, and architecture. The increasing accuracy requirements of 3D printed objects in these fields require high-precision measurement methods to obtain accurate data. Based on the precision measurement requirements, in this study, a fast multifrequency phase unwrapping method based on 3D printing object appearance acquisition is proposed. By performing standard image acquisition of 3D printed objects that are not limited to materials and sampling locations, the surface shape and texture details of the objects can be accurately reconstructed using this method, independent of ambient light, with high robustness. Compared with the conventional multifrequency method, the required projection pattern is reduced from 12 to 9 and the overall measurement efficiency is improved by 25%, while maintaining the advantages of the independent pixel calculation method of the multifrequency method. In addition, the effectiveness of the method is experimentally verified by complex surface reconstruction experiments and plaster model experiments, which provide accurate measurement accuracy with high efficiency and precision. Therefore, the method can provide accurate measurements for 3D printed objects.

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基于3D打印物体外观获取的快速多频相位展开方法

3D打印是现代生活中不可或缺的技术，广泛应用于航空航天、外骨骼和建筑领域。这些领域对3D打印对象的精度要求越来越高，需要高精度的测量方法来获得准确的数据。基于精度测量要求，本研究提出了一种基于3D打印物体外观采集的快速多频相位展开方法。通过对3D打印物体进行不受材料和采样位置限制的标准图像采集，该方法可以独立于环境光，准确地重建物体的表面形状和纹理细节，具有较高的鲁棒性。与传统的多频方法相比，所需的投影模式从12个减少到9个，整体测量效率提高了25%，同时保持了多频方法独立像素计算方法的优点。此外，通过复杂表面重建实验和石膏模型实验验证了该方法的有效性，提供了准确的测量精度，具有较高的效率和精度。因此，该方法可以为3D打印对象提供精确的测量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

3D Printing and Additive Manufacturing Materials Science-Materials Science (miscellaneous)

CiteScore

6.00

自引率

6.50%

发文量

126

期刊介绍： 3D Printing and Additive Manufacturing is a peer-reviewed journal that provides a forum for world-class research in additive manufacturing and related technologies. The Journal explores emerging challenges and opportunities ranging from new developments of processes and materials, to new simulation and design tools, and informative applications and case studies. Novel applications in new areas, such as medicine, education, bio-printing, food printing, art and architecture, are also encouraged. The Journal addresses the important questions surrounding this powerful and growing field, including issues in policy and law, intellectual property, data standards, safety and liability, environmental impact, social, economic, and humanitarian implications, and emerging business models at the industrial and consumer scales.