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AcrNema
The predecessor of DICOM 3.0. We check the format on the existence of three initial group 0x0008 tags and the "ACR-NEMA" signature. This prevents little implicit DICOM files being handled by our Acr/Nema reader.
scaling factors / quantitation:
Not specified. Quantified images converted to Acr/Nema will be rescaled to Int16 pixel types by default.
patient/slice orientations:
When writing an Acr/Nema file we do save some related DICOM tags as well.
extra notes:
- Our multi-slices Acr/Nema output files are based on a Papyrus format which comes down to separate Acr/Nema files being concatenated to each other. Because of this, dynamic (or gated) studies are not appropriate to convert to Acr/Nema since the time frame relations will get lost.
| Format: Acr/Nema | ||
| Item | Supported | Unsupported |
| Color Map | grayscale | - |
| File Endian | little & big | - |
| Pixel Types | all intergers (signed/unsigned) | float & double |
| Scaling Factors | quantify & calibrate factors / image are NOT supported | |
| Dimensions / Image | different dimensions for each image are supported | |
| Pixel Types / Image | different pixeltypes for each image are supported | |
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