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Fig. 12 | BioMedical Engineering OnLine

Fig. 12

From: Acquisition of a single grid-based phase-contrast X-ray image using instantaneous frequency and noise filtering

Fig. 12

Setup of the equipment used to obtain the raw images. The X-ray tube was operated at 22 kVp and 20 mA, with an exposure time of 630 ms. The focal spot size of the equipment was 100 μm and the grid pitch was 0.118 mm (215 dpi). The CMOS flat-panel detector had a pixel size of 7 µm and dimensions of 3840 × 3072. The source-to-object distance (SOD), source-to-grid distance (SGD), and source-to-detector distance (SDD) were 500, 700, and 1448 mm, respectively

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