Abstract
To solve the problem that the network security real-time transmits image, a new image encryption and compression method based on a variational auto-encoder (VAE) generative model is proposed in this paper. The algorithm aims to encrypt and compress images by using a variational auto-encoder generative model. Firstly, we use multi-layer perceptual neural network to train the VAE model, and set parameters of the model to get the best model. Then, the peak signal-to-noise ratio (PSNR) and mean square error (MSE) are used to measure the compression effect and Set the number of iterations of the model. Finally, we extract the data of based on a variational auto-encoder and perform division, then the data input the VAE generative model to encrypt image and analyze encryption images. In this paper, we use the standard image of 256 * 256 to do simulation experiments and use histogram and image correlation to analyze the results of encryption. The simulation results show that the proposed method can effectively compress and encrypt images, and then obtain better compression image than stacked auto-encoder (SAE), while the algorithm is faster and easier encrypting and decrypting images and the decrypted image distortion rate is low and suitable for practical applications.
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Acknowledgment
This paper was supported by the National Natural Science Foundation of China (No. U1204606, No. U1604156), the Key Programs for Science and Technology Development of Henan Province (No. 172102210335, No. 172102210045), Key Scientific Research Projects in Henan Universities (No. 16A520058).
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Duan, X., Liu, J., Zhang, E., Song, H., Jia, K. (2018). Image Encryption and Compression Based on a VAE Generative Model. In: Sun, X., Pan, Z., Bertino, E. (eds) Cloud Computing and Security. ICCCS 2018. Lecture Notes in Computer Science(), vol 11065. Springer, Cham. https://doi.org/10.1007/978-3-030-00012-7_8
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