Abstract
The center localization of strip is a key to ensure the accuracy of sub-micron line width measurement based on optical microscopic image. The Gaussian function with appropriate scale is used as kernel to convolve with the strip target on the microscopic image, which makes the profile of the strip become a ridge. By computing the moment of order 1st and 2nd, the position and the angle of the ridge line is obtained. The proposed center localization method is robust and precise for positioning the strip object in microscopic images. Experiments show that the novel method can not only avoid interference of noise but also adapt to changing light source. The repeat poisoning accuracy of the proposed method is reach up to 0.003 pixel, and the relative error is 1.5% for measuring the center distance of 10μm.
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Yu, J., Zhang, X. (2014). A Robust and Precise Center Localization Method for the Strip Target on Microscopic Image. In: Zhang, X., Liu, H., Chen, Z., Wang, N. (eds) Intelligent Robotics and Applications. ICIRA 2014. Lecture Notes in Computer Science(), vol 8918. Springer, Cham. https://doi.org/10.1007/978-3-319-13963-0_32
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DOI: https://doi.org/10.1007/978-3-319-13963-0_32
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