Thus, ten years ago, when he was still studying in the Graduate Institute of Electronics at Tsing Hua, he got interested in computerization of fingerprints. Later, when he went to study at Keio University in Japan, Hsu did specialized research in image processing automation.
所以在十年前，他還就讀清大電機研究所時，就對指紋的電腦化產生興趣，並跟隨在日本慶應大學唸書時，專攻讀圖系統自動化的許文星做研究。