Table 1 Secret bits group and its embedding position
From: Reversible data hiding based on histogram and prediction error for sharing secret data
Secret bits (\({b_{1} , b_{2} , b_{3}}\) and \(b_{4} )\) | Embedding position (\(ep\)) |
|---|---|
1, 1, 1, 1 | \(P + 1\) |
1, 1, 1, 0 | \(P + 3\) |
1, 1, 0, 0 | \(P + 5\) |
1, 0, 0, 0 | \(P + 7\) |
0, 0, 0, 0 | \(P + 9\) |
0, 0, 0, 1 | \(P + 11\) |
0, 0, 1, 1 | \(P + 13\) |
0, 1, 1, 1 | \(P + 15\) |
1, 0, 1, 0 | \(P - 1\) |
1, 0, 0, 1 | \(P - 3\) |
1, 0, 1, 1 | \(P - 5\) |
1, 1, 0, 1 | \(P - 7\) |
0, 0, 1, 0 | \(P - 9\) |
0, 1, 0, 0 | \(P - 11\) |
0, 1, 1, 0 | \(P - 13\) |
0, 1, 0, 1 | \(P - 15\) |