Xue, J.; Fuentes, S.; Poblete-Echeverria, C.; Viejo, C. G.; Tongson, E.; Du, H.; Su, B. Automated Chinese Medicinal Plants Classification Based on Machine Learning Using Leaf Morpho-Colorimetry, Fractal Dimension and Visible Near Infrared Spectroscopy. Int J Agric & Biol Eng 2019, 12, 123-131.