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Table 2 Detection accuracy of the double compressed video fragments from its corresponding single compressed ones using TU-I, TU-P, and TU features on QCIF video dataset

From: HEVC double compression detection under different bitrates based on TU partition type

B1 − B2
(Kbps)
100–200 100–300 100–400 200–300 200–400 300–400
TU-I(5D)
 MEAN 0.84 0.92 0.90 0.70 0.71 0.72
 STDEV 0.10 0.07 0.07 0.10 0.09 0.09
 MED 0.83 0.92 0.92 0.67 0.71 0.71
 MAD 0.08 0.08 0.08 0.08 0.04 0.04
TU-P(5D)
 MEAN 0.92 0.96 0.96 0.81 0.76 0.63
 STDEV 0.06 0.05 0.06 0.10 0.09 0.11
 MED 0.92 1.00 1.00 0.83 0.75 0.67
 MAD 0.00 0.00 0.00 0.08 0.08 0.08
TU-IP(10D)
 MEAN 0.93 0.97 0.97 0.87 0.89 0.84
 STDEV 0.07 0.06 0.06 0.1 0.08 0.11
 MED 0.92 1.00 1.00 1.00 0.92 0.83
 MAD 0.08 0.00 0.00 0.10 0.05 0.08