@techreport{weko_92494_1,
   author	 = "明石康宏 and 岡谷貴之",
   title	 = "非負値行列因子分解を用いた画像の鏡面反射分離",
   year 	 = "2013",
   institution	 = "東北大学, 東北大学",
   number	 = "29",
   month	 = "may"
}