SPIFF has implemented a version of face recognition. Spiff can extract the faces from particular image and find images containing the same faces. Below is an example:
![](https://ai.nb.no/wp-content/uploads/2022/02/kongolav-min-1024x850.png)
In this example we have picked a low-quality image of Kong Olav. SPIFF finds other images containing the face(s) in the input image.