Utilizing Near-Infrared Spectral Imaging for Rock Hardness Assessment

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<p>In the context of engineering field operations, extracting the physical properties from rocks poses a challenge, necessitating fast and non-destructive remote sensing methods. The objective of this research is to characterize the rock hardness variations induced by the Heating and Quenching (HQ) cyclic experiment, utilizing photosensitivity differences generated during these cycles through multispectral imaging. Laboratory experiments were conducted to capture hardness changes and near-infrared spectral data of rocks subjected to HQ experiments, comparing degraded rocks to their undegraded counterparts. Furthermore, Maximum Information Coefficient (MIC) method is used in this study to explore the integration of hardness changes resulting from artificial degradation with spectral feature information, information and rock physical parameters. Elucidating the coordinated variations between spectral information and rock physical parameters. The paper discusses the potential of using a hyperspectral camera as a substitute for geological sketches and provides insights into its application.</p>

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