Table 2 Mean values of objective image metrics for TBE-protected Lena image found in Figure 14
From: A detailed evaluation of format-compliant encryption methods for JPEG XR-compressed images
Metric | PCT decoded | DCT decoded |
|---|---|---|
PSNR | 17.80 dB | 23.65 dB |
SSIM | 0.28 | 0.58 |
LFBVSM | 0.52 | 0.44 |