The image being provided is very irregular and includes alot of noise.
How can I:
- Remove irregular noise
- Show regular buildings
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There are two tools that could help you :
simplify to remove the extra vertices resulting from the raster to vector conversion. Bend simplify would be best but it takes longer.
eliminate to remove the small inclusions in the building by merging with their neighbours. You must, therefore, select your inclusion first, e.g. based on a maximum size.