Research and Application of Single Physical Volume Method in Analyzing Mineral Spectroscopy
The traditional spectrum image analysis method stays in pixel-level image analysis, so its analysis results are not accurate enough. Hyper-spectrum image has more spectrum bands, thus making it possible to analyze image in sub-pixel level. This article focuses on the method of end-member extraction and mix-pixel analysis, which is mainly about single physical volume method (SPVM), and tries the method on analyzing hyper-spectrum data from lab. Error rate of end-member extraction fell in 1%. The difference between mixed spectrum curve of our analysis result and the curve of actual spectrum data fell in 1%.
KeywordsMixed Pixel Spectrum Decomposition Nonlinear Mixed Model Mixed Spectrum Mineral Spectrum
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