Z. Zhou, Gonzalo R. Arce, Giovanni Di Crescenzo. Halftone visual cryptography. In ICIP (1). pages 521-524, 2003.
@inproceedings{ZhouAC03, title = {Halftone visual cryptography}, author = {Z. Zhou and Gonzalo R. Arce and Giovanni Di Crescenzo}, year = {2003}, researchr = {https://researchr.org/publication/ZhouAC03}, cites = {0}, citedby = {0}, pages = {521-524}, booktitle = {ICIP (1)}, }