计算机工程2011，Vol.37Issue(18)：148-150,3.
基于DCT域和纹理复杂度的图像水印算法
Image Watermark Algorithm Based on DCT Domain and Texture Complexity
摘要
Abstract
The robustness of watermark is largely influenced by texture of image background, texture, edge and so on. This paper proposes an image watermark algorithm based on Discrete Cosine Transformation(DCT) domain and texture complexity, including preprocessing the watermark information, and calculating each image block's variance and sort the value, then transferred by DCT. It also calculates each varied image block's variance and sorts the value. It insets the watermark image block which goes through the variance yields sort into the carrier image. Experimental results show that the algorithm compared with the primitive DCT-based transformed watermark algorithm has great robustness and invisibility.关键词
离散余弦变换/纹理复杂度/水印图像/鲁棒性Key words
Discrete Cosine Transformation(DCT)/ texture complexity/ watermark image/ robustness分类
信息技术与安全科学引用本文复制引用
王静,王冰..基于DCT域和纹理复杂度的图像水印算法[J].计算机工程,2011,37(18):148-150,3.基金项目
陕西省科技攻关计划基金资助项目(200405-G25) （200405-G25）
