Optically Written Watermarking Technology using One Dimensional High Frequency Pattern. - Kazutake Uehira; Mizuho Komori (VISAPP (2), 2012)

Optical watermarking technology for protecting portrait rights of three-dimensional shaped real objects using one-dimensional high-frequency patterns. - Mizuho Komori; Kazutake Uehira (J. Electronic Imaging, 2013)