基于图像融合的数字水印技术研究

Research on Digital Watermarking Technology Based on Image Fusion

针对图像在使用过程中受到知识产权保护的影响,以提高图像数字水印的隐藏效果为目的,笔者提出了基于图像融合的数字水印技术研究。在图像融合技术的基础上,从待处理图像中提取数字水印信息,通过引入变换系数将数字水印嵌入图像中,结合变化系数量化条件的分析过程,完成数字水印的嵌入,利用数字水印的检测实现数字水印的处理。测试结果表明,基于图像融合的数字水印技术无论是在JPEG压缩攻击下还是噪声攻击下,都可以提高水印的鲁棒性,从而提高图像数字水印的隐藏效果。

In view of the impact of intellectual property protection on the image in the process of using,in order to improve the hiding effect of image digital watermark,the author proposes the research of digital watermark technology based on image fusion.On the basis of image fusion technology,the digital watermark information is extracted from the image to be processed.The digital watermark is embedded into the image by introducing the transformation coefficient,combining with the analysis process of the quantization condition of the change coefficient,the embedding of the digital watermark is completed,and the processing of the digital watermark is realized by the detection of the digital watermark.The test results show that the digital watermarking technology based on image fusion can improve the robustness of the watermark,and thus improve the hiding effect of the image digital watermark.