Abstract
In this chapter two cloud compression techniques are used on an image, namely, Vector Quantization (VQ) and Feed Forward Neural Network (FFNN). VQ is used along K-Mean clustering to initiate the centroids and form the code-book. The FFNN in this algorithm has an architecture specification of 64 nodes in the input and the output layer along with 16 hidden layers with 16 nodes each. The VQ is applied first on the input image to achieve some compression and then the VQ compressed image is fed as an input to the FFNN network for additional compression. A set of observations for compression are recorded for different values of K (number of centroids) with a tile size 8. The results are obtained for different values of K such as 50, 100, 150, 200, 250, 500 and 1000. The proposed algorithm gives a compression ratio of about 2 and an acceptable PSNR of about 20 dB for the standard testing image Lena.
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Gottapu, S.K., Vallabhaneni, P. (2020). Data Security in the Cloud via Artificial Intelligence with Vector Quantization for Image Compression. In: Haldorai, A., Ramu, A., Mohanram, S., Onn, C. (eds) EAI International Conference on Big Data Innovation for Sustainable Cognitive Computing. EAI/Springer Innovations in Communication and Computing. Springer, Cham. https://doi.org/10.1007/978-3-030-19562-5_1
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DOI: https://doi.org/10.1007/978-3-030-19562-5_1
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