@Article{Ellipsometry:SIG:2022,
  author  = {Inseung Hwang and Daniel S. Jeon and Adolfo Muñoz and 
             Diego Gutierrez and Xin Tong and Min H. Kim},
  title   = {Sparse Ellipsometry: Portable Acquisition of Polarimetric
             SVBRDF and Shape with Unstructured Flash Photography},
  journal = {ACM Transactions on Graphics (Proc. SIGGRAPH 2022)},
  year    = {2022},
  volume  = {41},
  number  = {4},
  }