[Qgis-user] Clean a raster layer converted in vector layer

[Giacomo Fontanelli]

Dear forum

I converted my raster layer in a vector - polygons one.

The operation worked, but now I have a many small isolated polygons with
one or few pixels dimension.

Many of those small polygons also overlay the correct polygons.

Ho can I easily remove this?

Thank you very much

Giacomo
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