A New Chaos-Based Image-Encryption and Compression Algorithm

Table 3

Results of encryption of different amount for color GREEN ROSE.JPG and GOLDRUSH.JPG images using different keys.

Image	Key size	Amount %	One key		Two keys		Three keys
			Cipher-image correlation	Reconstructed-image correlation	Cipher-image correlation	Reconstructed-image correlation	Cipher-image correlation	Reconstructed-image correlation
3	Small	L1 = 25	0.06636301	0.99999996	0.04991651	0.99999897	0.04777646	0.99999897
		L2 = 6.25	0.13200788	0.99999998	0.08473995	0.99999967	0.07023566	0.99999967
3	Large	L1 = 25	0.02938994	0.99999996	0.00519053	0.99999897	0.00418059	0.99999897
		L2 = 6.25	0.03215505	0.99999998	0.02981104	0.99999967	0.01996734	0.99999967
4	Small	L1 = 25	0.03293707	0.99999995	0.02655446	0.99999833	0.00998768	0.99999833
		L2 = 6.25	0.06094592	0.99999998	0.03180833	0.99999470	0.01329204	0.99999947
4	Large	L1 = 25	0.00525827	0.99999995	0.00494368	0.99999833	0.00218012	0.99999833
		L2 = 6.25	0.02447215	0.99999998	0.01329412	0.99999470	0.00979585	0.99999470