@article{weko_66456_1,
   author	 = "金田,北洋 and 平野,謙二 and 藤井,雄騎 and 岩村,惠市 and 半谷,精一郎",
   title	 = "難視性パターンを用いた印刷文書に対する情報付加手法の提案",
   journal	 = "情報処理学会論文誌",
   year 	 = "2009",
   volume	 = "50",
   number	 = "9",
   pages	 = "1997--2007",
   month	 = "sep"
}