[Retracted] Enhanced Lorenz-Chaotic Encryption Method for Partial Medical Image Encryption and Data Hiding in Big Data Healthcare

Table 2

Directly decrypted images of PSNR for various embedding rate.

Embedding rate		PSNR
		0.005	0.01	0.05	0.1	0.2	0.3	0.4	0.5
Im 1	1 LSB plane	116.12	115.21	114.16	110.26	107.32	106.41	105.34	105.12
	2 LSB planes	111.23	110.61	108.61	106.32	104.41	102.31	101.21	99.43
	3 LSB planes	105.32	105.21	103.32	101.17	99.43	96.32	95.51	94.21
Im 5	1 LSB plane	115.61	114.32	113.24	110.41	107.64	106.32	105.33	106.43
	2 LSB planes	110.62	109.14	106.62	104.61	102.44	101.47	99.71	98.12
	3 LSB planes	105.61	104.21	103.14	98.42	97.64	95.52	94.61	93.16
Im 9	1 LSB plane	115.71	116.46	114.21	109.61	107.61	105.31	105.21	103.57
	2 LSB planes	111.49	110.76	107.81	105.65	103.47	103.45	101.32	99.46
	3 LSB planes	106.21	104.24	101.26	99.24	97.45	96.78	95.51	96.12
Average value	1 LSB plane	116.45	115.52	113.24	109.61	107.61	106.61	105.52	105.61
	2 LSB planes	111.26	110.17	106.42	105.52	103.32	101.12	101.31	98.16
	3 LSB planes	105.52	103.41	103.31	101.31	98.43	95.51	94.51	94.45