Linear Spectral Unmixing model in ENVI
Publish place: Third International Conference on the Development of Materials Engineering Technology, Mining and Geology
Publish Year: 1399
Type: Conference paper
Language: English
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Document National Code:
EMGBC03_021
Index date: 26 January 2021
Linear Spectral Unmixing model in ENVI abstract
Linear Spectral Unmixing (LSU) determines the relative abundance of materials that are depicted in multispectral or hyperspectral imagery based on the materials’ spectral characteristics. LSU has two constraint options: unconstrained or a partially constrained unmixing. In the unconstrained method, abundances may assume negative values and are not constrained to sum-to-unity (one). ENVI also supports an optional, variable-weight, unit-sum constraint in the linear-mixing algorithm. This allows you to define the weight of a sum-to-unity constraint on the abundance fractions. It also permits proper unmixing of MNF transform data, with zero-mean bands.
Linear Spectral Unmixing model in ENVI Keywords:
Linear Spectral Unmixing (LSU) , ENVI
Linear Spectral Unmixing model in ENVI authors
Yousef Rahimsouri
Department of Geology, Faculty of Science, Urmia University, Iran
Hamid Tavakkoly
Department of Geology, Faculty of Science, Urmia University, Iran
Reza Abbasi Nasirkandi
Department of Geology, Faculty of Science, Urmia University, Iran