Junxiong, Zhang, Ma Qingqin, Li Wei, and Xiao Tingting. 2017. “Feature Extraction of Jujube Fruit Wrinkle Based on the Watershed Segmentation”. International Journal of Agricultural and Biological Engineering 10 (4):165-72. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/2638.