Table 2 Acquisition parameters of the scans of case study 2: “Purple velvet knife holder”
From: Beam filtration for object-tailored X-ray CT of multi-material cultural heritage objects
Scan 1 | Scans 2–5 | |
|---|---|---|
Beam parameters | ||
Tube voltage | \({50}\,\hbox {kV}\) | \(60 / 65 / 70 / {75}\,\hbox {kV}\) |
Tube current | \({500}\,\upmu {\hbox {A}}\) | \({1000}\,\upmu \hbox {A}\) |
Sn \({0.25}\,\hbox {mm}\) | ||
Cu \({0.5}\,\hbox {mm}\) | ||
Filters | None | Al \({0.5}\,\hbox {mm}\) |
Camera settings | ||
Exposure time | \({200}{\,\hbox {ms}}\) | |
Nr. of projections | 2881 | |
Nr. of averages | 1 | |
Geometry | ||
Source-Object-Distance (SOD) | \({234}\,\hbox {mm}\) | |
Source-Detector-Distance (SDD) | \({389}\,\hbox {mm}\) | |
Object voxel size | \({45.0}\,\upmu \hbox {m}\) | |