QUART DVTap
IAEA-EFOMP-ESTRO CBCT and CT Image Quality Test Phantom
Only one exposure required to create 3D data set containing all required parameters to evaluate image quality. Automated evaluation through unique QUART QA/QC software.Phantom can be applied for field sizes from 4x4cm to large fields-of-view (FOV). A universal holder or customised phantom holders available for easy and reproducible positioning.
Technical specifications
- SPATIAL RESOLUTION: Line spread function
- RESOLUTION: Z-Resolution
- STANDARD TEST OBJECTS: PMMA / Air / PVC
- MATERIAL EQUIVALENTS: Free Air / Soft tissue / Bone
- POSTIONING TOOLS: Linear (top side) / Selective markers
- SIZE: Ø 16 cm, height: 15 cm
- SCATTER RADIATION MODULES: 1x 6 cm / 1x 5 cm
Parameter
- Nyquist Frequency (NF)
- Contrast-to-Noise Ratio (CNR)
- Homogeneity / Image Uniformity
- Z-Resolution
- Modulation Transfer Function
- Artefacts, Image Flaws
- Figure of Merit
EFOMP working group, Quality control in cone-beam computed tomography (CBCT) EFOMP-ESTRO-IAEA protocol (summary report), Physica Medica, Volume 39, July 2017, Pages 67-72.
LINK: http://www.sciencedirect.com/science/article/pii/S112017971730