3-Image Bit-Level Encryption Algorithm Based on 3D Nonequilateral Arnold Transformation and Hyperchaotic System

Figure 3

Test images: (a) “Lena,” (b) “Liftingbody,” (c) “Barbara,” (d) “Cameraman,” (e) “Rice,” (f) “Text,” (g) “Onion,” (h) “Peppers,” and (i) “Toyobjects.”

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(b)

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(e)

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(i)