用于光泽表面三维测量的自适应棋盘式高频投影法

IF 2.7 3区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Measurement Science and Technology Pub Date : 2024-01-10 DOI:10.1088/1361-6501/ad1d48

Xinyue Zhao, Tiancheng Yu, Lianpeng Kang, Huarong Shen, Zaixing He

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引用次数: 0

摘要

对于结构光条纹投影三维（3D）测量技术来说，有光泽的表面是一项挑战，因为高光引起的图像饱和会导致捕捉到的条纹图案图像的强度不正确，从而导致严重的相位误差和测量误差。针对这一问题，提出了一种自适应棋盘式高频投影（ACHP）强度调整技术。该方法通过自适应调整高频棋盘式投影图案（CHP）的强度来减轻图像饱和度。而互补图案的投射可抑制反射，增强解码的鲁棒性。实验结果表明，所提出的方法对光亮表面的测量精度很高。

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Adaptive chessboard-like high-frequency projection method for three-dimensional measurement of shiny surfaces

Shiny surface is challenging for the structured light fringe projection three-dimensional (3D) measurement technique, since the image saturation caused by highlight results in incorrect intensities in captured images of fringe patterns, and leads to serious phase errors and measurement errors. To address the issue, an adaptive chessboard-like high-frequency projection (ACHP) intensity adjustment technique is proposed. The proposed method alleviates image saturation by adaptively adjusting the intensity of the high-frequency chessboard-like projection pattern (CHP). And the complementary patterns are projected to suppress reflections and enhance the robustness of decoding. The experimental results demonstrate that the proposed method achieve high measurement accuracy for shiny surfaces.

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来源期刊

Measurement Science and Technology 工程技术-工程：综合

CiteScore

4.30

自引率

16.70%

发文量

656

审稿时长

4.9 months

期刊介绍： Measurement Science and Technology publishes articles on new measurement techniques and associated instrumentation. Papers that describe experiments must represent an advance in measurement science or measurement technique rather than the application of established experimental technique. Bearing in mind the multidisciplinary nature of the journal, authors must provide an introduction to their work that makes clear the novelty, significance, broader relevance of their work in a measurement context and relevance to the readership of Measurement Science and Technology. All submitted articles should contain consideration of the uncertainty, precision and/or accuracy of the measurements presented. Subject coverage includes the theory, practice and application of measurement in physics, chemistry, engineering and the environmental and life sciences from inception to commercial exploitation. Publications in the journal should emphasize the novelty of reported methods, characterize them and demonstrate their performance using examples or applications.