Rock surface roughness measurement using CSI technique and analysis of surface characterization by qualitative and quantitative results

Padjadjaran Earth Dialogues: International Symposium on Geophysical Issues

Mukhtar, Husneni^1 ; Montgomery, Paul^1 ; Gianto^1 ; Susanto, K.^2

ICube Laboratory, University of Strasbourg, CNRS, 23 rue du Loess, Strasbourg

67037, France^1

Geophysics, Universitas Padjadjaran, Jl. Raya Jatinangor-Sumedang km.21, Indonesia^2

关键词: Analysis techniques;    Coherence scanning interferometries;    Mineral identification;    Physical parameters;    Quantitative result;    Roughness analysis;    Surface characterization;    Surface roughness parameters;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/29/1/012028/pdf
DOI  :  10.1088/1755-1315/29/1/012028

来源: IOP

【 摘 要 】

In order to develop image processing that is widely used in geo-processing and analysis, we introduce an alternative technique for the characterization of rock samples. The technique that we have used for characterizing inhomogeneous surfaces is based on Coherence Scanning Interferometry (CSI). An optical probe is first used to scan over the depth of the surface roughness of the sample. Then, to analyse the measured fringe data, we use the Five Sample Adaptive method to obtain quantitative results of the surface shape. To analyse the surface roughness parameters, Hmmand Rq, a new window resizing analysis technique is employed. The results of the morphology and surface roughness analysis show micron and nano-scale information which is characteristic of each rock type and its history. These could be used for mineral identification and studies in rock movement on different surfaces. Image processing is thus used to define the physical parameters of the rock surface.