Srivastava, Deepak C. ; Rastogi, Vipul (2010) HingeInflex: a MATLAB-based method for precise selection of the hinge and the inflection points in folds Geological Magazine, 147 (2). pp. 233-241. ISSN 0016-7568
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Official URL: http://geolmag.geoscienceworld.org/cgi/content/abs...
Related URL: http://dx.doi.org/10.1017/S0016756809990641
Abstract
Subjectivity in visual selection of hinge and inflection points leads to significant errors in analyses of fold shapes in profile sections. This article gives a method for precise determination of these points. The method: (1) imports a fold image into MATLAB, (2) digitizes points on the image, (3) increases the number of available points by using an interpolation algorithm, (4) fits a polynomial curve to the points, and (5) searches for the hinge and the inflection points mathematically. Tests on several folds confirm that the 'HingeInflex' is a rapid, robust and user-friendly method for precise selection of the hinge and inflection points.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Cambridge University Press. |
| Keywords: | Fold Shape Analysis; Polynomial Fitting; Hinge Point; Inflection Point; MATLAB |
| ID Code: | 51190 |
| Deposited On: | 27 Jul 2011 14:38 |
| Last Modified: | 27 Jul 2011 14:38 |
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