Table 6 The results of performance evaluation in Example 2
From: A novel scheme to design the filter for CT reconstruction using FBP algorithm
(Case 1: S i z e=128∗128,θ k =4ko, k=0,⋯,44) | |||
|---|---|---|---|
Criteria | MSE | UQI | MI |
The ramp filter | 1.399E-3 | 0.6454 | 0.8022 |
The designed filter | 1.229E-3 | 0.6914 | 0.8518 |
(Case 2: S i z e =256∗256, θ k = k o , k =0,⋯,179) | |||
Criteria | MSE | UQI | MI |
The ramp filter | 2.645E-4 | 0.9219 | 0.9289 |
The designed filter | 2.415E-4 | 0.9384 | 0.9301 |