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Table 2 The PSNR and SSIM value of steganograhic images and revealed secret images

From: The secure steganography for hiding images via GAN

  Stego (SSIM) Stego (PSNR) Re-secret (SSIM) Re-secret (PNSR)
Deep Steganography (Baluja) 0.92 28.41 0.92 28.06
Duan’s model 0.95 36.71 0.96 36.97
HIGAN (our) 0.94 30.95 0.94 29.67