Li, Bairong, Yan Long, and Huaibo Song. “Detection of Green Apples in Natural Scenes Based on Saliency Theory and Gaussian Curve Fitting”. International Journal of Agricultural and Biological Engineering 11, no. 1 (January 31, 2018): 192–198. Accessed February 2, 2026. https://www.ijabe.org/index.php/ijabe/article/view/2899.