CNN-LSTM Learning Approach-Based Complexity Reduction for High-Efficiency Video Coding Standard

Table 3

Comparative performance between the proposed approach and the state-of-the-art works.

Sequence	[30]			[20]			[29]			Proposed approach
	BD rate (%)	BD-PSNR (dB)	ΔT (%)	BD rate (%)	BD-PSNR (dB)	ΔT (%)	BD rate (%)	BD-PSNR (dB)	ΔT (%)	BD rate (%)	BD-PSNR (dB)	ΔT (%)
PeopleOnStreet	1.05	−0.045	−47.50	5.45	−0.250	29.84	1.85	−0.085	27.22	1.70	−0.017	−48.88
Traffic	1.99	−0.052	−60.60	—	—	—	3.20	−0.102	59.66	1.53	−0.059	−66.38
Kimono	1.49	−0.048	−56.03	0.35	−0.010	34.74	2.43	−0.079	50.49	1.65	−0.052	−47.77
ParkScene	1.47	−0.042	−58.72	2.84	−0.090	46.42	—	—	—	2.79	−0.081	−70.82
Cactus	2.07	−0.043	−56.87	2.79	−0.065	43.22	2.46	−0.060	53.06	1.73	−0.033	−53.85
BQTerrace	1.09	−0.017	−60.01	2.15	−0.038	38.70	1.74	−0.032	51.89	1.75	−0.030	−65.62
BasketballDrive	2.268	−0.052	−55.84	2.06	−0.046	39.45	1.93	−0.046	49.16	2.02	−0.045	−52.77
BasketballDrill	1.953	−0.072	−55.19	3.90	−0.148	32.12	2.24	−0.089	46.55	1.67	−0.061	−48.23
BQMall	1.914	−0.071	−50.74	5.56	−0.227	37.11	1.86	−0.071	43.32	1.38	−0.090	−48.07
PartyScene	1.011	−0.039	−46.83	4.74	−0.210	31.58	2.58	−0.108	30.33	0.96	−0.038	−59.30
RaceHorses	0.872	−0.032	−46.22	2.10	−0.180	26.03	1.25	−0.048	27.08	1.47	−0.055	−54.32
BasketballPass	1.45	−0.066	−49.04	—	—	—	3.12	−0.147	38.24	1.26	−0.056	−56.67
BQSquare	0.77	−0.028	−46.91	3.38	−0.145	35.72	3.02	−0.117	34.30	1.27	−0.046	−60.79
BlowingBubbles	1.29	−0.044	−45.62	3.41	−0.136	24.73	3.99	−0.154	39.87	0.97	−0.034	−50.14
RaceHorses	1.11	−0.047	−41.86	—	—	—	—	—	—	1.60	−0.018	−50.33
FourPeople	1.83	−0.052	−64.37	1.66	−0.058	65.28	1.83	−0.063	78.98	2.71	−0.071	−72.42
Johnny	1.69	−0.038	−66.49	0.90	−0.020	64.05	5.45	−0.139	79.31	2.46	−0.083	−73.59
KristenAndSara	1.55	−0.045	−67.23	1.58	−0.050	64.67	3.30	−0.108	77.58	2.93	−0.094	−74.91
Average	1.49	−0.046	−54.2	2.56	−0.099	43.33	2.97	−0.107	54.57	1.78	−0.053	−58.60
FoM	2.74			5.90			5.44			3.03