Wei, Deng, et al. “Identification of Seedling Cabbages and Weeds Using Hyperspectral Imaging”. International Journal of Agricultural and Biological Engineering, vol. 8, no. 5, Oct. 2015, pp. 65-72, https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/1492.