@techreport{weko_51916_1,
   author	 = "Lulu,Chen and Imari,Sato and Takahiro,Okabe and Yoichi,Sato",
   title	 = "Manifold-Based Photometric Stereo with Cast Shadows ",
   year 	 = "2008",
   institution	 = "Univ. of Tokyo, Nil, Univ. of Tokyo, Univ. of Tokyo",
   number	 = "27(2008-CVIM-162)",
   month	 = "mar"
}