Measure of texture anisotropy for crack detection on textured surfaces

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Measure of texture anisotropy for crack detection on textured surfaces

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Published

An image analysis algorithm for detecting cracks on textured surfaces is presented. It is based on a new measure of texture anisotropy that is used to characterise the pixels of the image of an inspected surface. Experimental results on the detection of cracks on granite slabs are reported.

Inspec keywords: image texture; inspection; crack detection; surface texture

Other keywords: texture anisotropy; inspected surface; textured surfaces; image pixels; image analysis algorithm; granite slabs; crack detection

Subjects: Nondestructive testing; Image processing and restoration; Testing; Engineering materials; Materials testing; Inspection and quality control; Inspection and quality control; Optical information, image and video signal processing

References

    1. 1)
      • F. Tomita , S. Tsuji . (1990) Computer analysis of visual textures.
    2. 2)
      • R.O. Duda , P.E. Hart . (1973) Pattern classification and scene analysis.
    3. 3)
      • Song , M. Petrou , J. Kittler . Texture crack detection. Mach. Vis. Appl. , 1 , 63 - 76
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19960872
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