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年发行塔卡（taka）硬币，其设计蕴含深厚文化内涵；2013年该系列硬币完成迭代更新，新增国家人物肖像与国徽图案。本数据集涵盖26个类别、总计9983张该类硬币的图像，可用于开发面向视障群体的辅助技术，以简化其金融交易流程。本研究借助计算机视觉与人工智能（AI）技术，优化硬币识别与真伪核验环节，进而提升金融场景下的无障碍服务水平。