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- W2680647589 abstract "The Linear Mixing Model is often used to perform Hyperspectral Unmixing because of its simplicity, but it assumes that a single spectral signature can be completely representative of an endmember. However, in many scenarios, this assumption does not hold since many factors such as illumination conditions and intrinsic variability of the endmembers have consequences on the spectral signatures of the materials. In this paper, we propose a simple yet flexible algorithm to unmix hyperspectral data using a recently proposed Extended Linear Mixing Model. This model allows a pixelwise variation of the endmembers, which leads to consider scaled versions of reference endmember spectra. The results on synthetic data show that the proposed technique outperforms other methods aimed at tackling spectral variability, and provides an accurate estimation of endmember variability along the observed scene thanks to the scaling factors estimation, provided the abundance of the corresponding material is sufficient." @default.
- W2680647589 created "2017-06-30" @default.
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- W2680647589 date "2015-06-01" @default.
- W2680647589 modified "2023-10-02" @default.
- W2680647589 title "Blind hyperspectral unmixing using an extended linear mixing model to address spectral variability" @default.
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- W2680647589 doi "https://doi.org/10.1109/whispers.2015.8075417" @default.
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