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Comparisons between outcomes obtained by multispectral imaging and analysis using the smartphone-based and LCTF-based multispectral imaging systems: (a) multispectral letter images (lower) and a spectral classified image (middle) obtained using the smartphone-based multispectral imaging system (upper) (b) multispectral letter images (lower) and a spectral classified image (middle) obtained using the LCTF-based multispectral imaging system (upper). The scale bar indicates 500 μm.
