Lei Yang, Pengwei Hao, Chao Zhang. Progressive Reversible Data Hiding by Symmetrical Histogram Expansion with Piecewise-Linear Haar Transform. In Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2007, April 15-20, 2007, Honolulu, Hawaii, USA. pages 265-268, IEEE, 2007. [doi]
Abstract is missing.