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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)
   \( \overline {R}_{\mathrm {e}} \) 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
  Non-PCA method 0.99 0 90 90 7.01 0 0 10
  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
  Non-PCA method 0.31 0 100 100 4.66 0 0 17
  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
  Non-PCA method 0.24 0 87 100 3.47 0 0 47
  Proposed method 0.22 0 100 100 3.18 0 0 67