Figure 4 | Scientific Reports

Figure 4

From: Autofluorescence-spectral imaging as an innovative method for rapid, non-destructive and reliable assessing of soybean seed quality

Figure 4

Raw RGB images from soybean seeds for classes of non-aged seeds and seeds aged for 12, 24 and 48 h, and corresponding autofluorescence images (grayscale and nCDA) captured at 365/400 nm excitation-emission combination, showing autofluorescence patterns in the presence (a) and absence (b) of the seed coat. Germination test at 8 days after sowing using seeds with different autofluorescence patterns in the nCDA images (c). In the nCDA images, the pixel values (autofluorescence intensity) is calculated based on 10% trimmed mean to provide a more realistic image.

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