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ippStsCOIErr
Some IPP operations can process a single channel of an interleaved image through a channel-of-interest setting. The selected channel must exist and must be supported by that function variant.
If the same image works in a full-channel operation, inspect the COI parameter and the specific suffix used for the single-channel path.
Check these details
- COI value and whether the API uses one-based or documented channel numbering.
- Actual source channel count.
- Whether the operation supports COI or requires a planar extraction first.
Intel IPP Error Reporting · Intel IPP Image Processing Reference
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