@inproceedings{li14:hilight, author = {Li, Tianxing and An, Chuankai and Campbell, Andrew and Zhou, Xia}, title = {{HiLight: Hiding Bits in Pixel Translucency Changes}}, booktitle = {Proc. of the 1st ACM MobiCom Workshop on Visible Light Communication Systems}, series = {VLCS '14}, year = {2014}, }