Secret Image Sharing Scheme with Threshold Changeable Capability

Figure 5

Six stego images, recovered secret image Baboon, and cover image Lena.

(a) Stego image 1, PSNR  dB

(b) Stego image 2, PSNR  dB

(c) Stego image 3, PSNR  dB

(d) Stego image 4, PSNR  dB

(e) Stego image 5, PSNR  dB

(f) Stego image 6, PSNR  dB

(g) Recovered secret image Baboon

(h) Cover image Lena