Christian Kuhlmann, Hans-Ulrich Simon. Construction of visual secret sharing schemes with almost optimal contrast. In SODA. pages 263-272, 2000. [doi]
@inproceedings{KuhlmannS00,
title = {Construction of visual secret sharing schemes with almost optimal contrast},
author = {Christian Kuhlmann and Hans-Ulrich Simon},
year = {2000},
doi = {10.1145/338219.338261},
url = {http://doi.acm.org/10.1145/338219.338261},
researchr = {https://researchr.org/publication/KuhlmannS00},
cites = {0},
citedby = {0},
pages = {263-272},
booktitle = {SODA},
}