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

Table 1

The detection accuracies with different bit rate combinations (%).

	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]	96.52	95.43	94.84	86.90	77.35	67.86
CNN-LSTM [21]	95.35	95.19	96.23	91.38	83.57	74.51
Proposed	100	99.07	97.38	92.59	85.99	83.50