About TERUNUMA NAOKI
About 東大 大学院情報理工学系研究科
About HIRAKI KEI
About 東大 大学院情報理工学系研究科
About 電子情報通信学会技術研究報告
About digital watermark
About advertising medium
About information content
About concept
About interposition
About printing (graphic arts)
About information
About QR code
About steganography
About access
About design concept
About poster
About information hiding
About Other information processing
About Data protection
About QRコード
About 代替
About 電子透かし