@article{weko_15219_1,
   author	 = "山形,秀明 and 立川,道義 and 佐藤,元 and 富田,豊 and 堀内,敏夫",
   title	 = "文字読取り装置のための最適閾値設定アルゴリズム",
   journal	 = "情報処理学会論文誌",
   year 	 = "1989",
   volume	 = "30",
   number	 = "6",
   pages	 = "786--791",
   month	 = "jun"
}