Table 1 Quantitive comparison of optimized and circle trajectories.

From: Object Specific Trajectory Optimization for Industrial X-ray Computed Tomography

Steel Object (single feature)

Trajectory

Data

Feature

Uni18

Sim

8.425

Uni180

Sim

5.914

Opt18

Sim

3.726

Aluminium Cube (multiple features)

Trajectory

Data

Feat 1

Feat 2

Feat 3

Feat 4

Feat 5

Feat 6

Sum

Uni6

Sim

0.596

0.423

0.732

2.766

0.514

0.751

5.783

Uni12

Sim

0.445

0.364

0.671

0.650

0.361

0.547

3.038

Uni18

Sim

0.373

0.396

0.382

0.056

0.338

0.193

1.738

Opt6

Sim

0.134

0.114

0.475

0.190

0.133

0.096

1.142

Opt12

Sim

0.105

0.138

0.243

0.123

0.137

0.104

0.849

Opt18

Sim

0.070

0.098

0.275

0.116

0.077

0.097

0.733

Uni6

Real

0.413

0.246

0.697

0.540

0.277

0.923

3.096

Opt6

Real

0.104

0.107

0.332

0.414

0.128

0.184

1.269

  1. Sum of squared differences (SSD) of a 133 region around the features compared to the reference reconstructions.