Comparative Analysis of One- and Two-Dimensional Spectral Representations for LIBS-Based Classification of Rocks

Key Points

• Evaluate the effectiveness of one- and two-dimensional spectral representations in classifying rocks using LIBS.
• Utilized one- and two-dimensional spectral representations for LIBS analysis of rock samples.
• Assessed classification accuracy based on different elemental compositions of rocks.
• Conducted comparative analysis to identify performance differences.
• Two-dimensional spectral representation improved classification performance by 25% compared to one-dimensional representation.
• Detected elemental compositions successfully distinguished rocks with similar characteristics.
• Highlighted the need for dimensionality reduction techniques in LIBS applications.