Patent
Image encryption error correction method based on DNA encoding
Bin Wang,Zhang Qiang,Zhou Changjun,Zhou Shihua,Xuedong Zheng,Ling Wang +5 more
- 15 Mar 2017
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TL;DR: In this paper, an image encryption error correction method based on DNA encoding was proposed, which includes the steps: according to the gray scale space of an image, bringing forward piecewise linearity chaotic mapping; introducing Hamming code to a DNA sequence set, constructing a Hamming distance constraint condition among sequences, and invertibly completing a HAMming distance constraints among sequences; and with combination of a GC content constraint condition and a combination constraint condition; and utilizing the improved genetic algorithm to design DNA sequences with an error correction function.
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Abstract: The invention relates to the field of DNA encoding, image encryption and error correcting code, and specifically relates to an image encryption error correction method based on DNA encoding. The image encryption error correction method based on DNA encoding includes the steps: according to the gray scale space of an image, bringing forward piecewise linearity chaotic mapping; introducing Hamming code to a DNA sequence set, constructing a Hamming distance constraint condition among sequences and invertibly completing a Hamming distance constraint condition among sequences, and with combination of a GC content constraint condition, constructing a DNA sequence set and designing a combination constraint condition; and utilizing the improved genetic algorithm to design DNA sequences with an error correction function, and using the DNA sequences to encode the encrypted image so as to generate a DNA encoding encryption image which can correct errors. The image encryption error correction method based on DNA encoding has a good encryption effect, and can realize the error correction function.
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Citations
Patent
Image encryption and decryption method and system based on chaos and DNA dynamic plane operations
Luo Chao
- 08 Dec 2017
TL;DR: In this paper, an image encryption and decryption method and system based on chaos and DNA dynamic plane operations was proposed. But the encryption method comprises the steps of generating an initial value required by a chaotic system by using original plane images; generating position information required to be used in a scrambling phase, and arranging the original images by adopting a cross-scrambling algorithm according to the position information; dividing the arranged images into four sub-images of the same size, randomly selecting one of the sub- images, encoding the selected sub-image by adopting DNA matching rules, and
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Patent
Image compression and encryption method based on arithmetic coding
Li Hengjian,Changzhi Yu,Dong Jiwen +2 more
- 22 Dec 2017
TL;DR: In this article, an image compression and encryption method based on arithmetic coding was proposed, which comprises the following steps: a) serving use sequence of a chaos scrambling method and an Arnold scrambling method as a first group of secret keys; b) changing probability intervals of pixel values to be encoded correspondingly according to a generated chaos sequence, and c) carrying out exchange of the probability intervals on a probability model.
Patent
Method for generating and reading a bar code for high-robustness DNA sequencing
Chen Weigang,Lixia Wang,Han Mingzhe +2 more
- 26 Jul 2019
TL;DR: In this article, a method for generating and reading a bar code for high-robustness DNA sequencing was proposed, which includes the steps: combining a known pseudorandom sequence and a short code-long cycle code with the same length bit by bit to form a bit pair, mapping the bit pair into a base, and forming a bar codes for sequencing after screening different base sequences.
References
Patent
Novel piecewise linear chaotic mapping image encrypting and encoding method
Wang Bin,Shihua Zhou,Changjun Zhou,Zhang Qiang +3 more
- 01 Jul 2015
TL;DR: In this article, a piecewise linear chaotic mapping image encryption and encoding method was proposed, in which a true encrypting secret key is obtained by the aid of an initial secret key and a cleartext.
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Patent
Image encryption improved method based on chaotic system
Liu Hailiang,Zhang Chengmei,Luo Xiaonan,Yang Ailin,Su Hang +4 more
- 07 May 2014
TL;DR: In this paper, an improved image encryption improved method based on a chaotic system is presented. But the method is not suitable for image encryption of a large number of images, and it cannot handle large numbers of images.
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