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description: monoImageDownSampleType
---

# MonoImageDownsampleType

| Method Name             | Argument Name | Argument Type                                         |
| ----------------------- | ------------- | ----------------------------------------------------- |
| monoImageDownSampleType | type          | Mostafaznv\PdfOptimizer\Enums\MonoImageDownSampleType |

Must be one of the following values:

* **Average (Average Downsampling to):** Groups of samples are averaged to get the new downsampled value.
* **Bicubic (Bicubic Downsampling to):** Bicubic interpolation is used on a group of samples to get a new downsampled value.
* **Subsample (Subsampling to):** The center sample from a group of samples is used as the new downsampled value.



