Improvements in Geometry-Based Secret Image Sharing Approach with Steganography

Table 2

PSNR's of stego images for other two schemes and proposed scheme.

(2,5) scheme	Lake	Lena	Pepper	Jet	Baboon
Lin-Tsai	38.49	38.6	38.29	38.35	37.71
Yang et al.	40.97	41.1	40.66	40.15	40.06
The Proposed Scheme	33.4	33.37	33.85	34.38	33.69
(3,5) scheme	Lake	Lena	Pepper	Jet	Baboon
Lin-Tsai	38.49	38.6	38.29	38.35	37.71
Yang et al.	40.97	41.1	40.66	40.15	40.06
The Proposed Scheme	38.74	38.45	38.32	38.41	38.17
(4,5) scheme	Lake	Lena	Pepper	Jet	Baboon
Lin-Tsai	38.49	38.6	38.29	38.35	37.71
Yang et al.	40.97	41.1	40.66	40.15	40.06
The Proposed Scheme	43.58	43.3	43.21	43.16	42.95
(5,5) scheme	Lake	Lena	Pepper	Jet	Baboon
Lin-Tsai	38.49	38.6	38.29	38.35	37.71
Yang et al.	40.97	41.1	40.66	40.15	40.06
The Proposed Scheme	45.45	45.07	44.88	44.95	44.65