Feature parameters

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The International Standards Organisation (ISO) will shortly be publishing the areal surface texture documents under the ISO number ISO/TS 25178. There are many innovative concepts introduced within this series of documents, amongst them is a distinction between two classes of surface texture parameters namely "Field" and "Feature" parameters. Field parameters apply statistics to the continuous surface (cloud of points) from each portion of the scale-limited surface and include parameters such as: Sq, the root mean square of the surface height; Sz, the peak-to-valley of the surface height; Ssk, the skewness of the surface; Sdq, the root mean square of the surface gradient, etc. Feature parameters apply statistics from a sub-set of pre-defined topographic features. Feature parameters are defined using a toolbox of pattern recognition techniques that can be used to characterise specified features on a scale-limited surface. The feature characterisation process is in five stages:1.Selection of the type of texture feature 2.Segmentation 3.Determining significant features 4.Selection of feature attributes 5.Quantification of feature attribute statistics. The paper sets out to explain what feature parameters are, the rational behind them and the distinction between them and field parameters. A case study will be used to illustrate the ideas and usage of feature parameters.

Original languageEnglish
Pages (from-to)548-551
Number of pages4
JournalWear
Volume266
Issue number5-6
Early online date15 Jul 2008
DOIs
Publication statusPublished - 15 Mar 2009
Externally publishedYes

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textures
Textures
Statistics
statistics
skewness
pattern recognition
Pattern recognition
valleys
gradients

Cite this

Scott, Paul J. / Feature parameters. In: Wear. 2009 ; Vol. 266, No. 5-6. pp. 548-551.
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Feature parameters. / Scott, Paul J.

In: Wear, Vol. 266, No. 5-6, 15.03.2009, p. 548-551.

Research output: Contribution to journalArticle

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