Blood cell cytology PyTorch pipeline — 7 Steps

Classify 4 white blood cell cytology types (Eosinophil, Lymphocyte, Monocyte, Neutrophil) under microscope imaging with a 4-stage PyTorch CNN, batch normalization, and weighted cross-entropy.

1. 01 Data ingestion & EDA
2. 02 Preprocessing without leakage
3. 03 TensorDataset & DataLoader
4. 04 nn.Module architecture
5. 05 Loss function & optimizer
6. 06 Training loop & backprop
7. 07 Eval, metrics & checkpoint