Secure and Efficient Image Transmission Scheme for Smart Cities Using Sparse Signal Transformation and Parallel Compressive Sensing

Figure 6

Key sensitivity analysis in the decryption process: (a) cipher image; (b) the decrypted image with correct key; (c) the decrypted image with ; (d) the decrypted image with ; (e) the decrypted image with ; (f) the decrypted image with ; (g) the decrypted image with ; (h) the decrypted image with .

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