{"id":322,"date":"2015-02-17T08:27:37","date_gmt":"2015-02-17T08:27:37","guid":{"rendered":"http:\/\/www.etfos.unios.hr\/ijeces-test\/?p=322"},"modified":"2017-03-23T08:04:48","modified_gmt":"2017-03-23T08:04:48","slug":"determination-of-damage-in-transparent-optically-active-materials-by-using-polarized-light-and-the-sobel-operator","status":"publish","type":"post","link":"http:\/\/www.etfos.unios.hr\/ijeces\/vol-3-no-1-2012\/determination-of-damage-in-transparent-optically-active-materials-by-using-polarized-light-and-the-sobel-operator\/","title":{"rendered":"Determination of damage in transparent optically active materials by using polarized light and the Sobel operator"},"content":{"rendered":"
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Silvija Gali\u0107, Dubravka \u0160piranovi\u0107-Kani\u017eaj, Alfonzo Baumgartner<\/h3>
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Abstract<\/strong><\/div>\n
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\u2019s operators for edge detection.<\/div>\n
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Keywords<\/strong><\/div>\n
Edge detection, light polarization, optically active material, photoelastic material, polariscope, Sobel operator<\/div>\n
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