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Standard Test Method for Measurement of Computed Tomography (CT) System Performance
standard by ASTM International, 06/01/2020
Description
1.1 This test method provides instruction for determining the spatial resolution and contrast sensitivity in X-ray and γ-ray computed tomography (CT) volumes. The determination is based on examination of the CT volume of a uniform cylinder of material. The spatial resolution measurement (Modulation Transfer Function) is derived from an image analysis of the sharpness at the edges of the reconstructed cylinder slices. The contrast sensitivity measurement (Contrast Discrimination Function) is derived from an image analysis of the contrast and the statistical noise at the center of the cylinder slices.
Product Details
- Published:
- 06/01/2020
- Number of Pages:
- 13
- File Size:
- 1 file , 540 KB
- Redline File Size:
- 2 files , 1.1 MB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
