The magic lens: refractive steganography. Papas, M., Houit, T., Nowrouzezahrai, D., Gross, M. H., & Jarosz, W. ACM Trans. Graph., 31(6):186:1–186:10, 2012.
The magic lens: refractive steganography [link]Paper  doi  bibtex   2 downloads  
@article{DBLP:journals/tog/PapasHNGJ12,
  author       = {Marios Papas and
                  Thomas Houit and
                  Derek Nowrouzezahrai and
                  Markus H. Gross and
                  Wojciech Jarosz},
  title        = {The magic lens: refractive steganography},
  journal      = {{ACM} Trans. Graph.},
  volume       = {31},
  number       = {6},
  pages        = {186:1--186:10},
  year         = {2012},
  url          = {https://doi.org/10.1145/2366145.2366205},
  doi          = {10.1145/2366145.2366205},
  timestamp    = {Sun, 02 Oct 2022 01:00:00 +0200},
  biburl       = {https://dblp.org/rec/journals/tog/PapasHNGJ12.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}

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