Am I overlooking something in my process?
No, you're just hitting a fundamental limitation of JPEG compresson
Do you have any ideas on how I can get rid of the artifacts while still keeping disk usage low?
Use lossy WEBP compression that fully supports transparency. -- http://www.spatialys.com My software is free, but my time generally not.
_______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/gdal-dev