Hey ! I have already seen this questions before here : Exporting training data for deep learning tool in ArcGIS Pro? - Geographic Information Systems Stack Exchange If you look at the image from the folder called "1", they are indeed all black. However, if you import them in ArcGis Pro (or any GIS software I guess), you can see that they are not all black, but black and white, the white part beeing the object that you want to train your model to detect. EDIT : Based on the pseudo, I guess you are the one who answer on GIS Stack exchange. Hopefully, it will help someone else
... View more