[1] NIU Shao-zhang, WU Hong-tao, XIE Zheng-cheng, et al. Robustness investigation of digital watermarking algorithm for print-and-scan process［J］. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2004, 43(Sup2): 1-4.
[2] GE Yun-lu, NIAN Gui-jun, WANG Shu-xun. Walsh modulating watermarking algorithm for image print-and-scan process［J］. Journal of Southeast University (Natural Science Edition), 2007, 37(Sup 1): 197-200.
[3] TAN Lun-zheng, ZHU Ning-bo, SUN Xing-ming. Digital watermarking for print and scan process based on document image ［J］. Application Research of Computers, 2007, 24(12): 199-200, 265.
[4] NIU Shao-zhang, NIU Xin-xin, YANG Yi-xian, et al. Data hiding algorithm for halftone images ［J］. Acta Electronica Sinica , 2004, 32(7): 1180-1183.
[5] WEN Quan, SUN Tan-feng, WANG Shu-xun. Concept and application of zero-watermark［J］. Acta Electronica Sinica, 2003, 31(2): 214-216.
[6] GHOUTI L, BOURIDANE A, IBRAHIM M K, et al. Digital image watermarking using balanced multiwavelets［J］. IEEE Transactions on Signal Processing, 2006, 54(4): 1519-1536.
[8] XU Wen-li, LI Lei, WANG Yu-min. Robust digital watermarking scheme resistant to gaussian noise, geometric distortion and JPEG compression attacks［J］. Journal of Electronics & Information Technology, 2008, 30(4): 933-936.
[9] YUAN Da-yang, XIAO Jun, WANG Ying. Study on the robustness of digital image watermarking algorithms to geometric attacks［J］. Journal of Electronics & Information Technology, 2008, 30(5): 1251-1256.
[10] LI Lei-da, GUO Bao-long, BIAO Jin-feng. Spatial domain image watermarking scheme robust to geometric attacks based on odd-even quantization［J］. Journal of Electronics & Information Technology, 2009, 31(1): 134-138.
[11] LI Xin-wei, GUO Bao-long, LI Lei-da. A statistic-quantization based image watermarking algorithm resisting geometric attacks［J］. Journal of Optoelectronics·Laser, 2009, 20(8): 1082-1086.
