| 基于灰色理论和DWT的彩色图像数字水印方案 |
| |
| 引用本文： | 兰丽.基于灰色理论和DWT的彩色图像数字水印方案[J].湖南工程学院学报(自然科学版),2009,19(4). |
| |
| 作者姓名： | 兰丽 |
| |
| 作者单位： | 兰州交通大学电子与信息工程学院,兰州,730070 |
| |
| 摘 要： | 基于灰色理论以及图像小波变换的特点,提出基于灰关联理论以及小波变换的彩色图像数字水印方案,方案将水印嵌入到彩色载体图像各个颜色分量的DwT域垂直细节频带系数上,结合人类视觉系统实现水印的不可见性.根据系数间的灰关联大小对水印进行提取,提取时不需要原始裁体图像,实现了水印的盲提取.实验证明,该方案不仅可以更好地保持原始图像的感知质量而且对一些常见的攻击如 JPEG 和中值滤波等具有较好的鲁棒性.
|
| 关 键 词： | 灰关联 离散小波变换 数字水印 盲提取 人类视觉系统 |
Grey Relation and DWT Based Color Image Watermarking Scheme |
| |
| LAN Li.Grey Relation and DWT Based Color Image Watermarking Scheme[J].Journal of Hunan Institute of Engineering(Natural Science Edition),2009,19(4). |
| |
| Authors: | LAN Li |
| |
| Institution: | LAN Li (School of Electronic and Information Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China) |
| |
| Abstract: | According to grey theory and the characteristics of image in DWT domain,a color image water marking scheme is proposed based on grey relation theory and discrete wavelet transform.In this scheme,watermark is embedded into LH frequency band coefficients of color carrier image's every color weight.In so doing,the invisibility of water marking is well realized when the characteristics of human visual system(HVS)are taken into consideration.The water marking is extracted according to grey relation coefficient a... |
| |
| Keywords: | grey relation discrete wavelet transform(DWT) digital water marking blind testing human visual system(HVS) |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
