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. 2018 Apr 7;18(4):1126. doi: 10.3390/s18041126

Figure 2.

Figure 2

Hyperspectral transmittance images of the sound (a) and damaged (c) samples and their corresponding ground truth information ((b,d) for the sound and damaged samples, respectively). The presented hyperspectral transmittance images are generated by stacking sub-images at R, G and B wavelengths sequentially.