An early CU partition mode decision algorithm in VVC based on variogram for virtual reality 360 degree videos

EURASIP Journal on Image and Video Processing

Table 2 Performance comparison with Yang's algorithm

Class	Sequences	Yang		Proposed
Class	Sequences	ΔTS (%)	BDBR (%)	ΔTS (%)	BDBR (%)
B	Kimono	63.87	1.90	37.93	0.66
	ParkScene	56.60	1.33	37.78	0.72
	Cactus	56.66	1.95	38.53	0.99
	BasketballDrive	64.01	2.25	43.49	0.96
	BQTerrace	56.07	2.07	35.55	0.69
C	BasketballDrill	48.19	2.01	40.66	1.35
	BQMall	55.23	2.15	39.09	0.87
	PartyScene	45.73	0.60	34.36	0.20
	RaceHorsesC	48.39	1.16	39.98	0.85
D	BasketballPass	45.85	2.33	42.34	1.12
	BQSquare	46.06	0.81	29.24	0.13
	BlowingBubbles	41.56	0.77	40.44	0.40
	RaceHorses	43.17	0.86	40.57	0.70
E	FourPeople	57.64	2.75	41.29	1.23
	Johnny	58.98	3.29	41.18	1.60
	KristenAndSara	59.19	2.51	40.75	1.11
F	BasketballDrillText	47.66	1.82	38.29	1.19
	ChinaSpeed	52.67	1.30	35.93	0.49
	SlideEditing	48.91	1.12	33.53	0.31
	SlideShow	57.37	2.61	35.60	0.64
	Average	52.69	1.78	38.33	0.81