International Scholarly Research Notices / 2013 / Article / Fig 1

Research Article

Near-Infrared Spectroscopy for Anticounterfeiting Innovative Fibers

Figure 1

Near-infrared spectra for PLA, Kevlar (KA), Spandex (SP), and Sorona (SO) fibers from data after (a) transformation, (b) transformation, SNV, and 2nd Savitzky-Golay derivative.
649407.fig.001a
(a)
649407.fig.001b
(b)