Acta Photonica Sinica, Volume. 35, Issue 11, 1770(2006)
A Novel Blind Watermarking Algorithm Based on Virtual Channel Technique
A novel blind watermarking algorithm based on virtual channel technique was proposed,by which a gray-scale image was embedded into host image. By modifying coefficients of host image in frequency domain,the host channel can be regarded as a virtual watermark channel,which was composed of several deficient sub-channels. Neither original image nor original watermark was necessary in extraction. Experimental results show that proposed algorithm provides good invisibility and robustness.
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Wang Pengfei, Feng Gui, Qin Feng, Wang Xiaolin. A Novel Blind Watermarking Algorithm Based on Virtual Channel Technique[J]. Acta Photonica Sinica, 2006, 35(11): 1770