File data: Google Drive
D:\
└─ animal_data\
├─ img_segment\
│ ├─ model_train_v2.py # training script
│ └─ labelmap.txt # class names + RGB colors
│ └─ .... and more
├─ models\
│ └─ unet_boundary_best.keras # best model (saved by EvalCallback)
└─ data\