| 引用本文: | 张玉明1,2,刘家保1,3.基于复合混沌及LSB的图像加密和隐藏技术(J/M/D/N,J:杂志，M：书，D：论文，N：报纸).期刊名称,2014，31（11）：50-55 |
| CHEN X. Adap tive slidingmode contr ol for discrete2ti me multi2inputmulti2 out put systems[ J ]. Aut omatica, 2006, 42(6): 4272-435 |
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| 基于复合混沌及LSB的图像加密和隐藏技术 |
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张玉明1,2,刘家保1,31,2,3
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1.东南大学 复杂系统与网络科学研究中心,南京 210000;2.芜湖职业技术学院 电气工程学院,安徽 芜湖 241001;3.安徽新华学院 公共课教学部,合肥 230088
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| 摘要: |
| 给出了一个基于复合混沌及LSB的图像加密和隐藏技术的方法，该方法首先利用Logistic映射和Tent映射进行复合产生混沌映射，用明文彩色图像的灰度信息来控制复合混沌的参数，产生的混沌序列对彩色图像进行加密，然后把加密图像用LSB算法嵌入到二个或多个载波图像中进行传输；实验和仿真结果表明：该方法具有隐藏效果好、密钥敏感性强、鲁棒性高等特点。 |
| 关键词: 复合混沌 图像加密 图像隐藏 LSB |
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| An Image Encryption and Hiding Technique Based on Composite Chaos and LSB |
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ZHANG Yu-ming1,2, LIU Jia-bao1,3
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| Abstract: |
| An image encryption and hiding technique based on composite chaos and LSB is proposed, this method firstly uses Logistic mapping and Tent mapping to be composited to produce chaos mapping, the parameters of the composited chaos are controlled by grey-level information of plain color image, then the produced chaos sequence encrypts the color image, and then the encrypted image is embedded into two or multiple carry images to be transmitted by LSB algorithm. Experiment and simulation results indicate that this method has the feature of good hiding effect, strong encryption-decryption sensitivity and high robustness. |
| Key words: composite chaos image encryption image hiding LSB |
