New intersected composite chaotic color image encryption algorithm

New intersected composite chaotic color image encryption algorithm

The invention relates to a new intersected composite chaotic color image encryption algorithm which can rapidly encrypt an original image. The algorithm mainly relates to two kinds of chaotic encryption ideas, namely, spatial domain scrambling and pixel value diffusion. The algorithm carries out pix...

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Hauptverfasser: XIE GUOBO, ZHU RUNYING
Format: Patent
Sprache:chi ; eng
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CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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ZHU RUNYING
description The invention relates to a new intersected composite chaotic color image encryption algorithm which can rapidly encrypt an original image. The algorithm mainly relates to two kinds of chaotic encryption ideas, namely, spatial domain scrambling and pixel value diffusion. The algorithm carries out pixel scrambling and diffusion after a to-be-encrypted color image is subjected to pretreatment. The algorithm applies a composite new chaotic encryption sequence to an image encryption method which carries out scrambling, diffusion and re-scrambling. The experiment shows that the algorithm has high safety than other algorithms in color image encryption. 本发明涉及种基于多混沌复合的彩色图像加密算法，这种方法能够快速地加密原图像。本发明方法主要涉及到两种混沌加密思想，空域置乱和像素值扩散。算法将待加密的彩色图像经过预处理后，先后进行像素的置乱和扩散。本发明算法将进行置乱、扩散、再置乱的图像加密办法，在扩散阶段应用了复合的新混沌加密序列。实验表明，该方法在加密彩色图像中相比其他算法具有更高的安全性。
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subjects CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
title New intersected composite chaotic color image encryption algorithm
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