Determination of damage in transparent optically active materials by using polarized light and the Sobel operator

Authors

  • Silvija Galić J. J. Strossmayer University of Osijek, Faculty of Electrical Engineering Kneza Trpimira 2b, Osijek, Croatia
  • Dubravka Špiranović-Kanižaj J. J. Strossmayer University of Osijek, Faculty of Electrical Engineering Kneza Trpimira 2b, Osijek, Croatia
  • Alfonzo Baumgartner J. J. Strossmayer University of Osijek, Faculty of Electrical Engineering Kneza Trpimira 2b, Osijek, Croatia

Keywords:

Edge detection, light polarization, optically active material, photoelastic material, polariscope, Sobel operator

Abstract

This study deals with determination of the percentage of damage in an optically active, translucent material (polystyrene). We made cracks visible by placing the material into the polariscope (between the polarizer and analyzer), and the numerical value of damage was determined by using Sobel, one of the Matlab’s operators for edge detection.

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Published

2012-06-01

Issue

Section

Case Studies