图像复杂度对信息隐藏性能影响分析  

The analysis of image complexity and its affection to information hiding

作　　者：王鹏[1] 周诠[1] 

机构地区：[1]中国空间技术研究院西安分院,陕西西安710100

出　　处：《电子设计工程》2016年第19期163-166,170,共5页Electronic Design Engineering

基　　金：国家自然科学基金项目(61372175);国家重点实验室基金项目(9140C530403130C53192)

摘　　要：针对信息隐藏中载体图像的差异性,提出一种图像复杂度评价方法,综合考虑图像的压缩特性以及图像纹理能量作为图像复杂度指标,并基于阈值划分准则对载体图像进行复杂度分类,以几种经典的基于直方图的几种无损隐藏算法进行实验,研究图像的复杂度差异对信息隐藏性能的影响。实验结果表明了所提复杂度评价方法的有效性以及复杂度分类的合理性,依据图像复杂度准则对载体进行分类后,图像复杂度差异对隐藏性能有明显影响,复杂度较低的载体图像有效的提高了信息隐藏的性能。According to the differences of the cover images used in information hiding, a image complexity assessment method is proposed in this paper, in which the compression characteristics and the texture energy are integrated considered as the image complex index. Then image classification is executed based on the proposed threshold division method. To discuss the images differences＇ influence to the performance of information hiding, data hiding experiments are conducted on the classified images with several classical lossless information hiding algorithms. The test results indicated the effectiveness of the proposed assessment method and the justifiability of the classification operation. The classified images affected the data hiding performance significantly, the images with lower complexity effectively improve the embedding capability.

关 键 词：信息隐藏 图像复杂度 纹理能量 压缩特性 嵌入容量 

分 类 号：TN911.73[电子电信—通信与信息系统]