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Fig. 2 | eLight

Fig. 2

From: Image encryption using spatial nonlinear optics

Fig. 2

Main experimental results. a the plaintext and b its direct image, which serves as the ground truth. The cyphertext images at \(E=0\) Vcm\(^{-1}\) (c), \(-500\) Vcm\(^{-1}\) (e), \(-1000\) Vcm\(^{-1}\) (g) and \(-2000\) Vcm\(^{-1}\) (i), and d, f, h, j the corresponding decrypted image with the correct keys. All the images are normalized and plotted with the colormap hot

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