Processing and Analysis of Lunar Hyperspectral Data: Spectrophotometric and Mineralogical Applications of the Moon Mineralogy Mapper
中国科学院云南天文台学术报告通知
2026年第54期
报告题目：Processing and Analysis of Lunar Hyperspectral Data: Spectrophotometric and Mineralogical Applications of the Moon Mineralogy Mapper
报告人单位：University of Helsinki
报告语言：English
报告时间：2026年11月17日（星期二）10:30-11:10
报告地点：科研1号楼523会议室
报告摘要：
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The Chandrayaan-1 Moon Mineralogy Mapper (M³) imaging spectrometer provides hyperspectral observations of the lunar surface across 500–3000 nm, capturing diagnostic absorption features that reveal its mineralogical composition and lithological diversity. However, its quantitative analysis is complicated by thermal effects, noise, and pronounced striping artifacts. A dedicated preprocessing approach combines one-dimensional Gaussian spectral convolution, two-dimensional Fourier harmonic analysis, and spatial-frequency filtering to suppress noise and striping while preserving intrinsic spectral features and channel albedos. The corrected data enable the retrieval and mapping of spectrophotometric parameters, including apparent albedo, color ratios, continuum-removed spectra, and absorption band characteristics. These parameters support the identification and quantitative assessment of major lunar components, including iron-bearing minerals, ilmenite, spinels, and lunar glasses, as well as the effects pf spectral weathering. Further compositional analysis combines radiative transfer models, laboratory spectral databases (RELAB and LRMCC), and machine learning approaches. This framework enables quantitative mineral abundance mapping, spectral unmixing, and spatial-resolution enhancement through data fusion with complementary datasets, such as Kaguya MI.
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报告人简介：
Dr. Yehor Surkov is currently a postdoctoral researcher at the Department of Physics, University of Helsinki, Finland. He received his PhD in Physics and Astronomy from V. N. Karazin Kharkiv National University of Ukraine in 2023. His doctoral research focused on mineralogical mapping of the lunar surface using Chandrayaan-1 Moon Mineralogy Mapper (M3) data.
His research interests include planetary remote sensing, spectrophotometric and mineralogical characterization of planetary surfaces, hyperspectral data analysis, and computational light scattering. Before joining the University of Helsinki, he conducted research at the Max Planck Institute for Solar System Research in Göttingen, Germany.
云台邀请方：系外行星/太阳系小行星研究团组
邀请方联系人：顾盛宏
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