Jingming, Mao, and Suchada Sitjongsataporn. “Development of Real-time Digit Recognition System Based on FPGA”. International Electrical Engineering Transactions 12, no. 1 (June 30, 2026). accessed August 26, 2026. https://ph04.tci-thaijo.org/index.php/IEET/article/view/12766.