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Table 5 Detection accuracy of the double compressed video fragments from its corresponding single compressed ones using TU-IP, HPP feature, and TUHPP feature on CIF 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-IP(10D)
 MEAN 0.90 0.95 0.97 0.87 0.90 0.81
 STDEV 0.08 0.07 0.05 0.08 0.08 0.09
 MED 0.93 1.00 1.00 0.86 0.93 0.79
 MAD 0.07 0.00 0.00 0.07 0.07 0.07
HPP(25D)
 MEAN 0.96 0.99 0.99 0.85 0.98 0.91
 STDEV 0.05 0.03 0.02 0.09 0.03 0.07
 MED 1.00 1.00 1.00 0.86 1.00 0.93
 MAD 0.00 0.00 0.00 0.07 0.00 0.07
TUHPP(35D)
 MEAN 0.98 1.00 1.00 0.96 0.99 0.95
 STDEV 0.04 0.00 0.00 0.05 0.02 0.05
 MED 1.00 1.00 1.00 1.00 1.00 0.93
 MAD 0.00 0.00 0.00 0.00 0.00 0.04