Hyperspectral imaging data captures spectral and spatial information.
<p>(a) Montage of selected slices across the spectral dimension of the hyperspectral data-cube, each indicating in grayscale the reflectance of one specimen (Magnificent bird-of-paradise dorsal view) at the wavelength indicated in the inset colored boxes. The blue, orange, green, and red dots...
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| منشور في: |
2024
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إضافة وسم
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| الملخص: | <p>(a) Montage of selected slices across the spectral dimension of the hyperspectral data-cube, each indicating in grayscale the reflectance of one specimen (Magnificent bird-of-paradise dorsal view) at the wavelength indicated in the inset colored boxes. The blue, orange, green, and red dots indicate the plumage regions sampled (see also b and c). Note that intervals of 20 nm were chosen for plotting; the actual data were acquired in intervals of ~2.5 nm. (b) RGB image of the dorsal view of the specimen generated using 3 select slices (425 nm, 550 nm, 600 nm) with plumage regions sampled again indicated with colored dots. (c) Plot of the reflectance of each of the plumage samples shown in (a) and (b); each pixel in a hyperspectral image corresponds to a full reflectance spectrum. The dotted vertical line indicates the lower sensitivity bound of the hyperspectral image; reflectance values below this wavelength were extrapolated. (d) The birds-of-paradise measured in this study reflect relatively little ultraviolet light (300–400 nm). For comparison, shown here are hyperspectral images of the lateral view of a Gouldian finch (<i>Chloebia gouldiae</i>), which reflects substantial ultraviolet light in the breast patch. The data underlying this figure can be found at <a href="https://doi.org/10.5061/dryad.j0zpc86nf" target="_blank">https://doi.org/10.5061/dryad.j0zpc86nf</a> [<a href="http://www.plosbiology.org/article/info:doi/10.1371/journal.pbio.3002867#pbio.3002867.ref099" target="_blank">99</a>].</p> |
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