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Table 4 Detection accuracy of the double compressed video fragments from its corresponding single compressed ones using HPP feature and TUHPP feature 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

HPP(25D)

 MEAN

0.98

0.99

0.98

0.91

0.97

0.92

 STDEV

0.04

0.03

0.05

0.08

0.06

0.07

 MED

1.00

1.00

1.00

0.92

1.00

0.92

 MAD

0.00

0.00

0.00

0.08

0.00

0.08

TUHPP(35D)

 MEAN

0.99

1.00

0.99

0.95

0.99

0.96

 STDEV

0.03

0.00

0.02

0.06

0.03

0.05

 MED

1.00

1.00

1.00

1.00

1.00

0.96

 MAD

0.01

0.00

0.01

0.05

0.01

0.04