| 一种标定显微镜镜头畸变的方法 |
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| 引用本文： | 钱 磊 吴 丹. 一种标定显微镜镜头畸变的方法[J]. 宁波大学学报(理工版), 2021, 0(3): 24-29 |
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| 作者姓名： | 钱 磊 吴 丹 |
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| 作者单位： | 宁波大学 机械工程与力学学院, 浙江 宁波 315211 |
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| 摘 要： | 提出了一种标定光学显微镜图像失真的方法, 该方法利用一块高精度的光栅作为参考, 用显微镜拍摄光栅作为变形栅, 使用加窗傅里叶几何相位分析法求解光栅形变, 得到显微镜镜头畸变场. 仿真结果表明了该方法的可行性. 最后对KEYENCE VHX-1000型数码显微镜放大100~500倍时的镜头畸变进行了标定.
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| 关 键 词： | 镜头畸变 加窗傅里叶几何相位分析 光栅 光学显微镜 |
A method for calibrating the distortion of microscope lens |
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| QIAN Lei,WU Dan. A method for calibrating the distortion of microscope lens[J]. Journal of Ningbo University(Natural Science and Engineering Edition), 2021, 0(3): 24-29 |
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| Authors: | QIAN Lei WU Dan |
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| Affiliation: | Faculty of Mechanical Engineering & Mechanics, Ningbo University, Ningbo 315211, China |
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| Abstract: | This paper proposes a method to calibrate the image distortion of an optical microscope. By employing a high-precision grating as a reference, this method uses the microscope to shoot the grating as the deformed grating, and uses the windowed Fourier geometric phase analysis method (WFT-GPA) to solve the grating deformation, and finally obtains the distortion field of the microscope lens. Simulation results verify the feasibility of the method. Finally, the lens distortion of the KEYENCE VHX-1000 digital microscope at 100- 500 times magnification is calibrated. |
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| Keywords: | lens distortion windowed Fourier geometric phase analysis grating optical microscope |
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