Detection and analysis of rock cracks in meteor crater
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- Master's theses (TN-IDE) 
In 2000, a geologist Fridtjof Riis discovered a meteor crater in Ritland, Hjelmelan municipality in Rogland. This crater was formed by meteorite impact. The crater has areas with a lot of cracks in the rocks, and geologists think these cracks are very valuable information for them. By making photos with an ordinary camera, they want to get binary pictures where the cracks are shown as white lines on a black background. They can measure and quantify the length and direction of the cracks on the binary image. The objective of this project is to extract cracks from the digital photos. In this project, statistical technique – linear regression, and image processing techniques like spatial filtering, morphological operations have been used. Binary images with white lines showing cracks on black background are generated as result of this project. Geologists can use this result to analysis the cracks.
Master's thesis in Computer science