Thanks for your help Sean, I can confirm the black artifacts come from jpeg compression. I also found this answered which explains the problem in detail: https://gis.stackexchange.com/a/114453/52871 b

Dear Rasterio developers and users, I' m masking geotiff files with geojson polygons: rio mask --overwrite --crop in.tif out.tif --geojson-mask mask.geojson Unfortunately after doing so black artifica

hi Jaime, thanks for your reply. Do you know if there is Otsu segmentation in rasterio? Or should I use f.e. OpenCV?

Dear Rasterios, beeing quite new to rasterio I'm looking for help regarding the following: I've a large amount of 1 Channel Satellite imaginary. While the data contains no-data information around the