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Table 1 Coefficient distribution after BDCT and difference operation with T= 3 or T= 4

From: Enhanced state selection Markov model for image splicing detection

BDCT       Horizontal difference (%)       Vertical difference (%)
Threshold In range T Out of range T Ratio of zero In range T Out of range T Ratio of zero
T = 3 57.3 42.7 30.3 57.2 42.8 30.3
T = 4 62.2 37.8 30.3 62.4 37.6 30.3