@techreport{weko_53533_1,
   author	 = "西川,和弘 and 森,英雄",
   title	 = "幾何学的模様の歩道のサインパターン抽出",
   year 	 = "1990",
   institution	 = "山梨大学工学部, 山梨大学工学部",
   number	 = "38(1990-CVIM-066)",
   month	 = "may"
}