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ASTM E1695-95(2013)
Standard Test Method for Measurement of Computed Tomography (CT) System PerformanceMore info
1.1 This test method provides instruction for determining the spatial resolution and contrast sensitivity in X-ray and γ-ray computed tomography (CT) images. The determination is based on examination of the CT image of a uniform disk of material. The spatial resolution measurement is derived from an image analysis of the sharpness at the edge of the disk. The contrast sensitivity measurement is derived from an image analysis of the statistical noise at the center of the disk.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2013-06-01 |
| ICS | 11.040.50 : Radiographic equipment |
| Number of pages | 5 |
| Replace | ASTM E1695-95(2006)e1 |
| Set | ASTMVOL0303 |
| Year | 2006 |
| Document history | |
| Country | USA |
| Keyword | ASTM 1695;ASTM E1695;ASTM E1695;10.1520/E1695-95R13 |