Table 3.

Time cost(second) of reconstructed images

	160-view	90-view	30-view	18-view
TV-GD	41.79	37.19	24.63	14.61
TV-L p (p = 0.8)	18.45	12.05	6.29	4.41
TV-L p (p = 0.5)	20.76	14.01	8.69	6.16