About KANEDA KITAHIRO
About HIRANO KENJI
About FUJII YUKI
About IWAMURA KEIICHI
About HANGAI SEIICHIRO
About 情報処理学会論文誌ジャーナル(CD-ROM)
About Computer Security
About Paper
About information media
About fiber
About printer
About scanner
About feature extraction
About algorithm
About interposition
About paper medium
About scanner
About 紙メディア
About 透かし
About 難視性
About 難視性パターン
About Data protection
About Various paper products and paper containers
About 文書
About 情報付加
About 手法
About 提案