Gundeep Singh Bindra. Invisible Communication through Portable Document File (PDF) Format. In Xiamu Niu, MingChu Li, Yôiti Suzuki, Jeng-Shyang Pan, Lakhmi C. Jain, editors, Seventh International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2011, Dalian, China, October 14-16, 2011. pages 173-176, IEEE, 2011. [doi]
Abstract is missing.