3D Alternating Direction TV-Based Cone-Beam CT Reconstruction with Efficient GPU Implementation

Table 3

RMSE of GPU computation for related operation.

	𝐷𝑗𝑓	𝐷^𝑇𝑗𝑓	𝑊𝑓	𝑊^𝑇𝑓
Situation 1	0.5𝐸−6	0.4𝐸−6	2.3𝐸−6	1.7𝐸−6
Situation 2	0.2𝐸−6	0.1𝐸−6	1.5𝐸−6	0.9𝐸−6