ImageGear .NET v24.12 - Updated
Picturize Effect
User Guide > How to Work with... > Image Processing and Cleanup > Advanced Image Processing and Correction > Image Effects > Picturize Effect

The Picturize Method divides the image into rectangular cells, and replaces each cell with an image from the specified image collection, attempting to select cell images such that they match colors of course image.

Original Image Image with Picturize Effect