Mr. Shun-Hua Wu Profile

Shun-Hua Wu

at Xinjiang Medical Univ.

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Proceedings Article | 7 November 2018 Paper

Bone organ printing based on surface structure light projection 3D contour measurement

Kun Wang, Ze-Ming Luan, Li-Xia Zhang, Ou Li, A Le-Sheng Jiang A Bie Ke, Xue-Liang Zhang, Shun-Hua Wu, Hui-Qiang Liu

Proceedings Volume 10832, 108320R (2018) https://doi.org/10.1117/12.2507201

KEYWORDS: 3D printing, Bone, 3D metrology, Fourier transforms

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Objective: Utilizing the advantages of non-contact , rapid and flexible three-dimensional contour measurement by surface structure light projection, we can solve the problems of difficult, time-consuming and low precision of three-dimensional surface data in the fields such as bone replacement, tooth embryo planting, orthopedic organs and surgical simulation in the current clinical medicine. Methods: Collect the deformation fringes generated by the light projection of the surface structure generated by the digital grating onto the surface of the measured object, and use the Fast Fourier Transform (FFT), spatial filtering, inverse Fourier transform (IFFT) and phase unwrapping techniques to demodulate the three-dimensionality of the measured object. Results: The structure of the light path is simple and easy. Only by acquiring a deformed fringe pattern of an actual object, the three-dimensional contour surface structure and feature shape of the measured object can be quickly and effectively obtained. Conclusion: This technical method has important clinical value and wide application potential in the rapid acquisition of bone organ three-dimensional surface data.

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