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YASS隐写算法的嵌入容量改进 被引量：1

Improve the Embedding Capacity of YASS
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摘要 高安全性和高嵌入容量一直是隐写算法设计的目标。YASS算法是安全性较高的隐写算法,然而其嵌入容量较低。论文对此进行了改进,通过对DCT域系数进行随机分块后,利用块中非零系数的比例嵌入消息。实验证明改进后的算法较好的保持载体统计性质,嵌入效率明显优于传统YASS。 High security and large embedding capacity is always the goal of designing steganography scheme.YASS has significant security while low embedding capacity.This paper improves the embedding capacity by using number of non-zero coefficient in random blocks to embed information.Experiment shows that this method holds statistics properties of cover well,while contains more sufficient information than YASS.
作者 胡四军 朱婷婷
机构地区 南海舰队司令部信息化处 海军工程大学信息安全系
出处 《舰船电子工程》 2013年第7期94-96,共3页 Ship Electronic Engineering
关键词 隐写 YASS 嵌入容量 steganograph YASS embedding based proportion
分类号 TP391 [自动化与计算机技术—计算机应用技术]
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舰船电子工程
2013年 第7期

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