Table 2 Acquisition parameters for human cochleae (H02, H09, H11) measured at BM18
From: 3D imaging of the human temporal bone by X-ray phase-contrast tomography
Parameter | H02 overview | H02 zoom | H09 overview | H09 Zoom | H11 overview |
|---|---|---|---|---|---|
Energy Eeff (keV) | 94 | 75 | 92 | 64 | 125 |
Filter Mo (mm) | / | / | / | / | 1.3 |
Filter Al2O3 (mm) | 5 | 5 | 5 | / | / |
Filter SiO2 (mm) | 15 | / | / | / | / |
Filter glassy carbon (mm) | 90 | 80 | 85 | 90 | / |
Detector | IRIS 15 | PCO | IRIS 15 | IRIS 15 | IRIS 15 |
Objective | DZoomOptic | tandem Hasselblad (100/300) | DZoomOptic | ZoomOptic | DZoomOptic |
Magnification M | 0.626 | 3 | 0.626 | 4.661 | 0.626 |
Scintillator (μm) | LuAG:Ce 2000 | LuAG:Ce 200 | LuAG:Ce 2000 | LuAG:Ce 100 | LuAG:Ce 2000 |
Exposure time (ms) | 5 × 25 | 3 × 45 | 3 × 25 | 3 × 35 | 5 × 15 |
Acquistion time (min) | 11 | 38 | 42 | 136 | |
Pixelsize dx (μm) | 4.25 | 6.5 | 4.25 | 4.25 | 4.25 |
Binning | / | / | / | 2-fold | / |
Voxelsize dxeff (μ m) | 6.2 | 2.3 | 6.2 | 1.8 | 6.2 |
Sample-detector z12 (m) | 5 | 2 | 5 | 1 | 5 |
Projections | 4000 | 6000 | 10,000 | 8000 | 15,000 |
COR offset (px) | 0 | 900 | 400 | 1000 | 2200 |
Tomograms | 1 | 3 | 3 | 3 | 7 |
Volume size (mm3) | 23 × 23 × 10 | 9 × 9 × 13 | 36 × 36 × 32 | 8 × 8 × 7 | 58 × 58 × 43 |
Volume size (number of pixels) | 3659 × 3659 × 1601 | 3843 × 3843 × 5596 | 5897 × 5897 × 5233 | 4548 × 4548 × 4137 | 9449 × 9449 × 7024 |
Dataset size (GB) | 40 | 154 | 340 | 159 | 1100 |