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Robust filter compatible with Gaussian Filter using L2-Norm
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DOI：10.1016/j.precisioneng.2022.03.012.png)
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In the field of surface roughness measurement, the development and standardization of robust filters have been progressing in recent years. However, there is no existing filter that satisfies all three requirements of a robust filter (robustness, high-speed processing, and compatibility with the GF). In this paper, a novel robust filter based on L2-norm, L2GF, is proposed. The L2GF shows more robustness than ISO16610-31 and FMGF. The L2GF is the fastest among the robust filters.
Keyword:
Surface roughness
Low-pass filter
Gaussian filter
L2-norm
Outlier
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