Table 6 Experimental results of the proposed PVO, Li’s PVO, and Chen’s PVO for BOWS-2 image databases
From: High-capacity reversible image steganography based on pixel value ordering
|  | Proposed PVO | Li’s PVO | Chen’s PVO |
|---|---|---|---|
Mean value of hiding capacity | 23,280.1 | 17,730.7 | 20,990.9 |
Mean value of PSNR | 52.9 | 57.01 | 55.12 |
Mean value of SSIM index | 0.998 | 0.999 | 0.999 |