A copyright protection scheme for digital images based on shuffled singular value decomposition and visual cryptography

Devi, B. Pushpa; Singh, Kh. Manglem; Roy, Sudipta

doi:10.1186/s40064-016-2733-0

SpringerPlus

Table 5 Comparison with other methods

From: A copyright protection scheme for digital images based on shuffled singular value decomposition and visual cryptography

Attack	LM						WM
Attack	Lena	Building	Goldhill	Airplane	Tiffany	Brain	Lena	Building	Goldhill	Airplane	Tiffany	Brain
JP
Q = 50	93.75	95.84	94.43	92.18	91.94	95.04	95.50	95.45	95.87	96.28	93.50	97.38
Q = 70	94.79	97.41	96.60	93.65	94.53	95.87	96.41	96.36	96.33	97.09	94.70	97.87
Q = 90	97.72	98.75	98.38	96.60	97.14	97.70	97.09	98.24	98.14	98.26	96.77	98.73
RO
A = 1°	79.78	79.19	80.46	79.98	81.49	83.96	84.93	79.29	84.79	79.54	79.12	84.61
A = 3°	77.29	78.32	78.83	78.54	77.95	78.63	77.39	73.19	73.16	73.31	69.75	75.10
A = 5°	79.37	77.73	78.63	78.34	77.46	78.41	73.19	67.04	68.60	70.50	67.43	70.41
MF
ws = 3 × 3	94.60	95.94	95.58	95.89	94.23	97.11	94.99	94.06	94.82	96.09	91.25	94.75
ws = 5 × 5	92.62	92.57	93.11	93.43	91.57	94.11	93.11	90.28	92.99	94.04	88.54	91.77
ws = 7 × 7	89.99	87.93	89.69	90.01	88.35	90.52	92.01	88.35	92.13	91.87	87.54	89.99
CR
%C = 20	95.53	94.45	94.84	95.31	95.62	95.01	87.52	80.88	79.49	72.72	63.62	83.66
%C = 40	90.77	90.62	90.16	91.08	91.45	91.18	83.44	78.44	77.90	72.70	61.23	82.15
%C = 60	87.32	86.32	86.10	86.74	86.69	86.96	80.00	73.53	72.72	70.06	72.97	77.41
SC
F = 2 × 2	96.70	97.75	96.92	95.99	96.33	97.29	94.79	92.94	94.65	94.43	91.16	94.31
F = 4 × 4	90.45	90.40	89.52	88.76	88.89	90.42	92.08	88.59	91.94	91.28	88.08	90.84
F = 6 × 6	83.52	84.35	83.66	83.08	83.49	84.98	90.50	85.76	90.03	88.84	87.06	87.86
IN
R = .05	84.91	86.49	85.79	84.35	83.32	96.70	80.22	79.49	79.32	79.10	76.90	94.53
R = .15	81.71	83.10	83.17	82.00	80.78	94.79	74.04	73.77	75.19	74.38	72.14	93.31
R = .25	80.27	82.34	81.25	81.03	80.46	91.74	71.14	70.26	70.99	71.24	70.31	90.89
BL
ζ = 0.2	100	100	100	100	100	100	100	100	100	100	100	100
ζ = 0.4	99.34	99.56	99.31	99.14	99.21	99.80	98.82	99.16	99.19	99.29	98.68	99.19
ζ = 0.6	98.14	98.75	98.43	98.14	97.97	99.12	96.77	96.46	96.67	97.26	95.33	97.19
GN
V = .01	84.57	87.59	85.96	84.25	83.66	89.28	84.42	84.91	85.15	82.71	78.93	92.60
V = .03	83.25	84.13	83.22	83.78	80.68	87.57	78.73	79.51	79.29	77.49	73.46	89.18
V = .05	82.93	83.83	81.90	82.03	80.90	86.76	74.53	76.34	75.75	75.09	72.09	87.89
SH
α = .1	95.19	95.67	95.99	95.33	94.99	96.41	86.05	87.15	86.81	89.74	84.35	89.52
α = .3	95.50	95.72	96.26	95.26	95.38	96.58	87.23	87.81	87.52	90.16	85.64	90.06
α = .5	95.28	95.87	96.41	95.53	95.58	96.75	87.84	88.01	87.67	90.60	86.27	90.23
GC
G = .8	99.56	99.29	99.12	99.02	99.16	99.38	98.92	97.53	98.16	99.21	98.92	97.65
G = 1	100	100	100	100	100	100	100	100	100	100	100	100
G = 1.2	99.48	99.16	99.29	99.29	99.21	98.73	98.85	97.87	98.02	99.34	99.07	97.75
UA	90.81	91.30	91.10	90.62	90.28	93.02	88.35	86.68	87.44	87.08	84.16	90.89

	RM						PM
JP
Q = 50	96.11	95.31	95.92	96.31	94.14	96.63	98.04	98.77	99.46	97.97	98.43	98.90
Q = 70	96.48	96.75	96.67	96.97	94.89	97.43	98.73	99.09	99.48	98.87	98.65	99.12
Q = 90	97.72	97.92	97.65	98.14	96.80	98.58	99.31	99.63	99.73	99.34	99.38	99.63
RO
A = 1°	85.49	78.88	84.93	79.27	77.49	84.83	93.82	94.36	98.26	93.31	92.43	96.46
A = 3°	77.34	72.26	73.77	72.46	68.48	76.41	95.92	95.58	98.21	95.80	95.67	96.41
A = 5°	73.53	66.62	69.92	70.21	66.47	70.31	95.89	95.62	97.97	95.87	95.77	96.85
MF
ws = 3 × 3	95.14	93.75	94.99	96.38	91.62	94.97	97.90	97.77	99.12	98.73	97.43	98.09
ws = 5 × 5	93.79	90.57	92.99	94.21	88.79	92.30	96.06	95.23	98.51	97.24	96.31	96.14
ws = 7 × 7	92.79	88.89	91.87	92.50	87.25	90.42	94.84	93.89	98.07	95.77	95.62	94.70
CR
%C = 20	84.81	79.41	78.14	72.43	64.74	83.10	82.61	83.76	89.69	73.33	79.10	87.79
%C = 40	84.20	79.24	80.49	74.58	62.67	85.18	78.97	74.68	80.54	71.92	76.26	81.32
%C = 60	78.63	72.80	71.77	68.60	70.09	75.34	73.33	69.14	72.80	72.85	74.90	75.48
SC
F = 2 × 2	95.04	92.55	94.67	94.48	91.74	94.26	97.85	97.80	99.09	98.41	97.92	98.07
F = 4 × 4	92.77	88.23	92.11	90.91	88.79	90.60	94.89	93.79	97.58	95.28	95.89	95.14
F = 6 × 6	91.08	85.40	90.42	88.67	86.96	88.57	93.55	92.18	96.58	93.28	94.75	93.26
IN
R = .05	82.25	81.05	82.78	79.00	76.53	94.92	97.72	97.75	95.55	98.75	97.38	97.80
R = .15	75.36	76.00	76.17	73.65	72.90	93.67	97.07	96.85	94.45	98.33	96.77	97.16
R = .25	72.09	72.38	72.41	70.89	69.77	91.47	95.43	95.23	92.26	96.75	94.84	96.24
BL
ζ = 0.2	100	100	100	100	100	100	100	100	100	100	100	100
ζ = 0.4	99.19	99.19	99.26	99.41	98.97	99.02	99.56	99.65	99.82	99.78	99.87	99.65
ζ = 0.6	96.89	96.36	96.92	97.43	95.72	96.80	98.85	98.70	99.41	99.09	99.36	98.73
GN
V = .01	83.74	84.91	85.64	83.20	77.90	92.30	93.18	94.77	97.55	92.67	91.94	96.26
V = .03	77.61	78.78	79.02	76.63	73.02	89.91	89.81	91.91	95.99	88.59	87.13	94.77
V = .05	75.56	76.12	77.51	76.02	71.87	87.40	87.40	90.50	94.75	86.91	84.57	93.01
SH
α = .1	86.88	88.03	87.37	89.06	84.17	90.45	92.08	92.79	96.58	93.57	93.11	94.79
α = .3	87.74	88.40	87.79	89.79	85.74	91.04	92.28	93.23	96.65	93.87	93.13	94.77
α = .5	88.69	88.62	88.13	90.35	86.79	90.89	92.40	93.28	96.67	93.92	93.23	95.04
GC
G = .8	99.21	98.21	98.46	99.26	98.90	97.80	98.87	98.51	98.75	99.48	99.53	98.36
G = 1	100	100	100	100	100	100	100	100	100	100	100	100
G = 1.2	99.29	98.36	98.60	99.36	99.09	98.16	98.46	98.63	98.87	99.60	99.73	98.75
UA	88.64	86.83	87.87	87.00	84.07	91.09	94.16	94.10	96.07	93.97	93.97	95.42

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