Browsing by Author "Nystad, Helle Emilia"

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Identification of mixed substances using a random forest regressor to classify THz absorbance spectra

Rheenen, Arthur Dirk van; Aurdal, Lars; Nystad, Helle Emilia; Haakestad, Magnus W. (2018)

We report on the development and application of a random forest regressor that not only identifies but also estimates the relative concentrations of substances (one explosive and two simulants), both in one-substance and ...
Robust identification of concealed dangerous substances using THz imaging spectroscopy

Nystad, Helle Emilia; Haakestad, Magnus Willum; Rheenen, Arthur Dirk van (2015)

False alarm rates must be kept sufficiently low if a method to detect and identify objects or substances is to be implemented in real life applications. This is also true when trying to detect and identify dangerous ...