Learning with Fun - An Application of Visual Cryptography. - Young-Chang Hou; Zen-Yu Quan (CSEDU (1), 2009)

Progressive Visual Cryptography With Unexpanded Shares. - Young-Chang Hou; Zen-Yu Quan (IEEE Trans. Circuits Syst. Video Technol., 2011)

Stock prediction by searching similar candlestick charts. - Zen-Yu Quan (ICDE Workshops, 2013)

Block-based progressive visual secret sharing. - Young-Chang Hou; Zen-Yu Quan; Chih-Fong Tsai; A.-Yu Tseng (Inf. Sci., 2013)

Stock Prediction by Searching for Similarities in Candlestick Charts. - Chih-Fong Tsai; Zen-Yu Quan (ACM Trans. Manag. Inf. Syst., 2014)

A privilege-based visual secret sharing model. - Young-Chang Hou; Zen-Yu Quan; Chih-Fong Tsai (J. Vis. Commun. Image Represent., 2015)

Progressive visual cryptography with friendly and size invariant shares. - Young-Chang Hou; Zen-Yu Quan; Chih-Fong Tsai (Int. Arab J. Inf. Technol., 2018)