Extended Visual Cryptography for Natural Images. - Mizuho Nakajima; Yasushi Yamaguchi 001 (WSCG, 2002)

Registration-tolerant extended visual cryptography. - Mizuho Nakajima; Yasushi Yamaguchi 001 (Human Vision and Electronic Imaging, 2003)

Picture Illusion by Overlap. - Mizuho Nakajima; Yasushi Yamaguchi 001 (SIGGRAPH Posters, 2004)

Enhancing registration tolerance of extended visual cryptography for natural images. - Mizuho Nakajima; Yasushi Yamaguchi 001 (J. Electronic Imaging, 2004)

Device-dependent color neutralization method. - Mizuho Nakajima; Yasushi Yamaguchi 001 (Color Imaging: Processing, Hardcopy, and Applications, 2005)