Numismatic Heritage of Coin Dataset Bangladesh

Bangladesh introduced taka coins in 1973, featuring culturally significant designs, and updated the series in 2013 to include portraits of national figures and the national emblem. A dataset containing 9,983 images of these coins, across 26 different classes, aids in developing technologies for visually impaired individuals to facilitate their banking transactions. This work enhances coin recognition and integrity checks, utilizing computer vision and AI to improve accessibility in financial environments.

孟加拉国于1973年推出塔卡（Taka）硬币，币面带有极具文化意义的设计图案，并于2013年更新该系列硬币，新增国家人物肖像与国徽图案。该数据集包含覆盖26个类别的9983张此类硬币图像，可助力开发面向视障群体的金融交易辅助技术。本研究借助计算机视觉（Computer Vision）与人工智能（AI）技术，优化硬币识别与完整性核验流程，以此提升金融场景下的无障碍服务水平。