2Frank Y Shih, Scott Y T Wu. Combinational image watermarking in the spatial and frequency domains[J]. Pattern Recognition,2003, 36(4):969-975.
3ISO/IEC JTC 1 DIS 10918-1. Digital Compression and Coding of Continuous-tone Still Images, Part 1, Requirements and Guidelines [S]. July,1994.
4Kang X, Huang J, Zeng W. Improving robustness of Quantization- Based image watermarking via adaptive receiver[J]. IEEE Transactions on Multimedia,2008,10(6):953-959.
5Cox ! J, Kilian J, Leighton F T. Secure spread spectrum watermarking for multimedia[J]. IEEE Transactions on Image Processing,1997,6(12):1673-1687.
6Huiyan Qi, Dong Zheng, Jiying Zhao. Human visual system based adaptive digital image watermarking. Signal Process,2008,88(1): 174-188.