et al., Manoj Kumar. “Diabetic Retinopathy Classification of Retinal Image Using Invariant Histogram of Oriented Gradients (RIHOG) and Improved Fuzzy Rule-Based Classifier (IFRB)”. International Journal of Control and Automation 12, no. 6 (December 12, 2019): 09 - 16. Accessed March 29, 2024. http://sersc.org/journals/index.php/IJCA/article/view/2014.