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Table 3 Level 2 sub-band coefficient distribution after DWT and difference operation with T= 4

From: Enhanced state selection Markov model for image splicing detection

T = 4       Horizontal difference (%)       Vertical difference (%)
Sub-band In range T Out of range T Ratio of zero In range T Out of range T Ratio of zero
H1 77.4 22.6 29.2 75.1 24.9 28.6
V1 75.3 24.7 27.3 77.5 22.5 28.1
D1 89.1 10.9 45.2 90.2 9.8 46.5
H2 51.7 48.3 17.4 50.3 49.7 13.2
V2 49.5 50.5 12.1 49.6 50.4 11.5
D2 60.1 39.9 13.5 60.3 39.7 17.4