送審著作淸單 -- A DCT-based ownership identification method with gray-level and colorful signatures -- Design of visual cryptographic methods with smooth-looking decoded images of invariant size for grey-level images -- An optimization model for visual cryptography schemes with unexpanded shares -- A statistical approach for ownership identification of digital images -- A digital rights management approach for gray-level images -- 硏究成績參考資料表CO5 -- 代表著作中文摘要 -- 中國文化大學敎師資格審查代表作(作品)合著(作)人證明CO6.
