Field Coupling-Based Image Filter for Sand Painting Stylization

Table 3

Average elapsed time in seconds.

Images number			Average time costs (s)
			BF	KF	GIMP	Ours
(1)	1024	653	13.85	10.04	90.04	30.65
(2)	1280	860	7.87	8.72	145.03	38.87
(3)	1024	680	14.59	13.74	93.15	30.47
(4)	1024	669	8.58	8.93	86.52	30.40
(5)	1024	745	14.02	12.49	129.62	33.15
(6)	1024	1024	15.93	13.17	233.73	45.97
(7)	1024	852	9.94	13.06	122.46	42.91
(8)	1024	1024	15.33	12.91	236.42	51.18