Study on application of text image digital watermarking in E-government
Yukai WANG · Information technology newsletter · 2010
The paper analyzes the problems in the security of E-government and introduces digital watermarking.An algorithm is proposed for text image.Watermark is embedded into an original image by using scrambling method and flipping the pixels which meet the visual constraints.Experimental results show that the algorithm can ensure the invisibility and practicability.