Table 4 The average BER \( \overline {R}_{\mathrm {e}} \) and successful extraction rate Rs after videos are transcoded by the video transcoder with a QP value of 22 or 28
From: Robust video steganography for social media sharing based on principal component analysis
|  |  | QP22 (×10−2) | QP28 (×10−2) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Â | \( \overline {R}_{\mathrm {e}} \) | Rs(1) | Rs(2) | Rs(3) | \( \overline {R}_{\mathrm {e}} \) | Rs(1) | Rs(2) | Rs(3) |
480p | Fan’s method | 0.67 | 0 | 87 | 100 | 6.37 | 0 | 0 | 17 |
| Â | Non-PCA method | 0.99 | 0 | 90 | 90 | 7.01 | 0 | 0 | 10 |
| Â | Proposed method | 1.02 | 0 | 90 | 90 | 5.30 | 0 | 0 | 40 |
720p | Fan’s method | 0.45 | 0 | 90 | 100 | 5.01 | 0 | 0 | 23 |
| Â | Non-PCA method | 0.31 | 0 | 100 | 100 | 4.66 | 0 | 0 | 17 |
| Â | Proposed method | 0.27 | 0 | 100 | 100 | 3.77 | 0 | 0 | 53 |
1080p | Fan’s method | 0.31 | 0 | 100 | 100 | 4.30 | 0 | 0 | 27 |
| Â | Non-PCA method | 0.24 | 0 | 87 | 100 | 3.47 | 0 | 0 | 47 |
| Â | Proposed method | 0.22 | 0 | 100 | 100 | 3.18 | 0 | 0 | 67 |