Journal Article10.1007/S11128-020-2579-9
Quantum image encryption algorithm based on Arnold scrambling and wavelet transforms
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TL;DR: Based on the modified flexible representation of quantum images, a novel quantum image encryption algorithm was proposed in this paper and has a good encrypted effect and high security.
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Abstract: Based on the modified flexible representation of quantum images, a novel quantum image encryption algorithm was proposed in this paper. The encryption process performs Arnold scrambling operation to disturb the quantum image information in spatial domain first. Then, quantum wavelet transforms are employed to decompose the scrambled quantum image into multiscale resolution (i.e., a sequence of subimages) in the frequency domain, which are mainly divided into two parts: the low-frequency component (i.e., the approximation) and high-frequency detail information (i.e., the horizontal details, vertical details and diagonal details in each decomposition level). Following that, Arnold scrambling operations are implemented to encrypt the wavelet coefficients within each subimage in the frequency domain once again. Finally, based on inverse quantum wavelet transforms, the encrypted wavelet coefficients can affect the pixel values of the entire reconstructed quantum images. Due to the fact that all the quantum operations are invertible, the decryption process of the encrypted image is performed in a straightforward manner by reversing all of the quantum operations within quantum image encryption process. The proposed encryption algorithm is simulated on a classical computer with MATLAB environments. Experimental results and numerical analysis indicate that the presented algorithm has a good encrypted effect and high security.
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Citations
Double image encryption algorithm based on neural network and chaos
TL;DR: Wang et al. as discussed by the authors proposed a double image encryption algorithm based on convolutional neural network (CNN) and dynamic adaptive diffusion, which not only ensures the security of double image but also improves the encryption efficiency and reduces the possibility of being attacked.
190
Image Encryption Using Dynamic S-Box Substitution in the Wavelet Domain
Arslan Shafique,Fawad Ahmed +1 more
TL;DR: A new substitution technique using multiple S-boxes with dynamic substitution is proposed and the proposed discrete wavelet transform based scheme is employed to reduce the encryption computational time.
62
Quantum multi-image compression-encryption scheme based on quantum discrete cosine transform and 4D hyper-chaotic Henon map
Jing-Yi Dai,Yan Ma,Nanrun Zhou +2 more
TL;DR: In this paper, a new quantum multi-image compression and encryption algorithm combining quantum discrete cosine transform with 4D hyper-chaotic Henon map is proposed, where the four original images are firstly transformed by quantum DCT, and then the obtained frequency coefficient matrices are compressed with the measurement matrices to construct four compressed images.
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A New Image Encryption Algorithm Based on Single S-Box and Dynamic Encryption Step
Wang Ji Jun,Tan Soo Fun +1 more
TL;DR: In this article, a single S-box with a size of $10\times 26$ was constructed by using a low-dimensional chaotic system, and a new dynamic encryption step method was proposed to solve the high correlation and deterministic problems in multiple Sbox encryptions.
Three-level quantum image encryption based on Arnold transform and logistic map
Xingbin Liu,Di Xiao,Cong Liu +2 more
TL;DR: In this paper, a three-level quantum image encryption algorithm based on Arnold transform and logistic map is proposed, where the classical plaintext image is transformed into quantum form with novel enhanced quantum representation model, and the quantum Arnold transform is used to scramble the image sub-blocks by processing the qubits that denote position information.
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