What is the space of spectral sensitivity functions for digital color cameras?

Jun Jiang, Dengyu Liu, Jinwei Gu, Sabine Süsstrunk. What is the space of spectral sensitivity functions for digital color cameras?. In 2013 IEEE Workshop on Applications of Computer Vision, WACV 2013, Clearwater Beach, FL, USA, January 15-17, 2013. pages 168-179, IEEE Computer Society, 2013. [doi]

@inproceedings{JiangLGS13,
  title = {What is the space of spectral sensitivity functions for digital color cameras?},
  author = {Jun Jiang and Dengyu Liu and Jinwei Gu and Sabine Süsstrunk},
  year = {2013},
  doi = {10.1109/WACV.2013.6475015},
  url = {http://doi.ieeecomputersociety.org/10.1109/WACV.2013.6475015},
  researchr = {https://researchr.org/publication/JiangLGS13},
  cites = {0},
  citedby = {0},
  pages = {168-179},
  booktitle = {2013 IEEE Workshop on Applications of Computer Vision, WACV 2013, Clearwater Beach, FL, USA, January 15-17, 2013},
  publisher = {IEEE Computer Society},
  isbn = {978-1-4673-5053-2},
}