A Two-Stage Cascaded Detection Scheme for Double HEVC Compression Based on Temporal Inconsistency

Table 4

The detection accuracies with the transcoding process (%).

	Recompression with the increased bit rate			Recompression with the decreased bit rate
()kbps	(500, 3000)	(500, 1700)	(1700, 3000)	(3000, 1700)	(1700, 500)	(3000, 500)
GVPF [17]	97.46	95.53	96.83	85.97	78.69	70.46
CNN-LSTM [21]	96.92	97.59	96.58	93.15	84.74	81.09
Proposed	99.88	99.53	97.45	96.64	89.43	87.21