Table 1 Experimental and computational time (hours) and reduction ratio of the whole testing volume \(4.50 \times 93.18 \times 3.92\, \upmu \text {m}^3\) from conventional two-step approaches with N=349 angles as the golden standard, RAPID, FBP, and SART methods with \(N=21\) angles
From: Three-dimensional nanoscale reduced-angle ptycho-tomographic imaging with deep learning (RAPID)
Golden standard | RAPID | FBP | SART | |||||
|---|---|---|---|---|---|---|---|---|
Time | Ratio | Time | Ratio | Time | Ratio | Time | Ratio | |
Data acquisition | 1.90 | \(\times 1\) | 0.110 | \(\times 16\) | 0.110 | \(\times 16\) | 0.110 | \(\times 16\) |
Computation | 66.5 | \(\times 1\) | 0.380 | \(\times 175\) | 4.86 | \(\times 14\) | 9.53 | \(\times 7\) |
Total | 68.4 | \(\times 1\) | 0.490 | \(\times 140\) | 14.0 | \(\times 1\) | 9.63 | \(\times 7\) |