Image Pixel
(0028,0002)
Samples per Pixel
Keyword: SamplesPerPixel
Number of samples (planes) per pixel. 1 for grayscale, 3 for RGB colour images.
Tag Attributes
- Tag ID
- (0028,0002)
- Compact
- 00280002
- Keyword
- SamplesPerPixel
- VR
- US — Unsigned Short
- VM
- 1
- Retired
- No
Module(s)
Image Pixel Module
Engineering Notes
1 for all standard medical imaging modalities (CT, MR, NM). 3 for RGB images (some US, SC). Must be consistent with Photometric Interpretation.
Troubleshooting
Mismatch between Samples per Pixel and Photometric Interpretation causes display failures — purple images, colour inversion, or blank renders.
Common Values
| Value | Meaning |
|---|---|
| 1 | Grayscale or single channel |
| 3 | RGB or YBR colour |