@article{RosinLaiMouldetal.2022,
  author    = {Paul L. Rosin and Yu-Kun Lai and David Mould and Ran Yi and Itamar Berger and Lars Doyle and Seungyong Lee and Chuan Li and Yong-Jin Liu and Amir Semmo and Ariel Shamir and Minjung Son and Holger Winnem{\"o}ller},
  title     = {NPRportrait 1.0: A three-level benchmark for non-photorealistic rendering of portraits},
  journal   = {Computational visual media},
  volume    = {8},
  number    = {3},
  pages     = {445 -- 465},
  doi       = {10.1007/s41095-021-0255-3},
  year      = {2022},
}