Kamel may be better able to answer this question, since I've not used Canevas in QGIS.
I don't see any reason not to use Canevas, based on what I've seen in the video Fabien sent me. But I cannot vouch for it either.
However...
1) You need to be really careful about managing you Coordinate Reference Systems when you do this. Make sure your CRS is the same in both the reference layer (e.g., Open Street Map) and the image you want to georeference. In Fabien's video this was not the case and using different CRS could potentially cause serious problems.
2) All data sets have potential errors. I've found the maps in Open Street Map are good for many applications, but have substantial errors (10 m or more) in some places when compared with earth images on Geoportail or Google Earth (which themselves also have some errors). Keep that in mind when georeferencing.
Hello Maxime,
Kamel may be better able to answer this question, since I've not used Canevas in QGIS.
I don't see any reason not to use Canevas, based on what I've seen in the video Fabien sent me. But I cannot vouch for it either.
However...
1) You need to be really careful about managing you Coordinate Reference Systems when you do this. Make sure your CRS is the same in both the reference layer (e.g., Open Street Map) and the image you want to georeference. In Fabien's video this was not the case and using different CRS could potentially cause serious problems.
2) All data sets have potential errors. I've found the maps in Open Street Map are good for many applications, but have substantial errors (10 m or more) in some places when compared with earth images on Geoportail or Google Earth (which themselves also have some errors). Keep that in mind when georeferencing.
Best wishes,
Paul