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ippStsWrongIntersectVOI
The three-dimensional counterpart of an empty ROI
A VOI includes an origin and extent in x, y, and z. It can have positive width, height, and depth yet still lie entirely outside the source volume or the transformed destination volume. IPP then returns this warning and performs no volume operation.
The extra depth axis makes unit mistakes common: slice numbers, byte offsets, voxel coordinates, and physical coordinates are not interchangeable.
What to inspect
- Log all three VOI offsets and dimensions together with the complete volume bounds.
- Check depth pitch and slice origin independently from row pitch.
- Transform the eight VOI corners when affine or remap operations are involved.
- Verify whether clipping was intentional before accepting an empty output brick.
References
Intel IPP volume processing reference · Intel IPP status definitions · DICOM voxel and patient coordinate systems
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