Multiple Digital Image Encryption Algorithm Based on Chaos Algorithm

被引：0
|
作者：
Ying Zhang
Yi He
Jing Zhang
Xiaobo Liu
机构：
[1] Electric Power Research Institute,
[2] Guizhou Power Grid Corporation,undefined
[3] The Electrical Engineering College,undefined
[4] Guizhou University,undefined
[5] Wuhan Nanrui Co Ltd,undefined
[6] State Grid Electric Power Research Institute,undefined
来源：
Mobile Networks and Applications | 2022年 / 27卷
关键词：
Chaotic algorithm; Discrete cosine transform; Encryption algorithm; Logistic chaotic map; Lorenz chaotic system; Chaotic key sequence; Ciphertext image;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, a multiple digital image encryption algorithm based on chaos algorithm is presented. The cyclic matrix is constructed by logical mapping, and sparse transformation of plaintext image is realized by discrete cosine transform (DCT). The gray image of DCT is measured, and several digital images are merged. Lorenz chaotic system and logistic map are adopted to generate chaotic key sequence related to plaintext image features, replace pixel value, scramble pixel position, diffuse image, and finally obtain ciphertext image. It encrypts many kinds of digital images. The proposed encryption algorithm has excellent image encryption effect and high security.
引用
收藏
页码：1349 / 1358
页数：9
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