(Scientific Research Publishing, 2017-12-18)The strength of rock structures strongly depends inter alia on surface irregularities of rock joints. These irregularities are characterized by a coefficient of joint roughness. For its estimation, visual comparison is ...
(Institute of Mathematics and Physics, Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, 2018-03-23)Point clouds are commontly used in many areas of technical practice. Nowadays, the common applications are in area of autonomous cars and 3D terrain or object modelling. During the scanning process, the scanning device or ...
(De Gruyter Open, 2017-11-24)Scans of porous materials such as concrete ofr cement paste are highly problematic due to its low depth resolution. We propose an averaging method based on the Lindeberg-Levi theorem that improves the final depth resolution.