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Auto-shape analysis of image textures in fractographyLauschmann, Hynek ; Nedbal, IvanThe aim of this study is to estimate the velocity of fatigue crack growth (crack growth rate - CGR) from the texture in SEM images of crack surfaces. A simple and quick method is based on fitting ... training images as a linear combination of several small subimages selected from the images themselves. The size of basic subimages is derived from autocorrelation functions of the image in row and column direction. The selection of basic subimages is based on two indicators: "appeal" evaluating their shape content, and mutual coefficient of correlation. The method is easy to implement and quick in computations, while results of testing application are fully comparable with best ones obtained within textural fractography of fatigue failures.Vir: Image analysis & stereology : official journal of the International Society for Stereology. - ISSN 1580-3139 (Vol. 21, no. 2, jun. 2002, str. 139-144)Vrsta gradiva - članek, sestavni delLeto - 2002Jezik - angleškiCOBISS.SI-ID - 16033241
Avtor
Lauschmann, Hynek |
Nedbal, Ivan
Teme
Materials Testing |
Stainless Steel |
Tensile Strength |
Microscopy, Electron, Scanning |
Image Processing, Computer-Assisted |
Materiali, testiranje |
Mikroskopija elektronska, vrstična |
Nerjaveče jeklo |
Raztezanje, trdnost |
Slika, obdelava z računalnikom |
preiskava materiala |
mikroskopija |
fraktografija |
jeklo
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vir: Image analysis & stereology : official journal of the International Society for Stereology. - ISSN 1580-3139 (Vol. 21, no. 2, jun. 2002, str. 139-144)
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Lauschmann, Hynek | ![]() |
Nedbal, Ivan | ![]() |
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