This document specifies linear Gaussian filters for the filtration of surface profiles. It defines, in particular, how to separate large- and small-scale lateral components of surface profiles.
The concept presented for closed profiles are applicable to the case of roundness filtration. Where appropriate, these concept can be extended to generalized closed profiles, especially for surface profiles with re-entrant features.
Implementation details are given in Annex A for open profiles and Annex B for closed profiles.
WITHDRAWN
SSH EN ISO 16610-21:2012
IN_DEVELOPMENT
prSSH EN ISO 16610-21:2025
40.20
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Feb 9, 2026
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Shqip