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3D Medical Image Segmentation

This is a tutorial adapted from Spleen 3D segmentation with MONAI.

This tutorial shows how to integrate MONAI into an existing PyTorch medical DL program.

And easily use below features:

  • Transforms for dictionary format data.
  • Load Nifti image with metadata.
  • Add channel dim to the data if no channel dimension.
  • Scale medical image intensity with expected range.
  • Crop out a batch of balanced images based on positive / negative label ratio.
  • Cache IO and transforms to accelerate training and validation.
  • 3D UNet model, Dice loss function, Mean Dice metric for 3D segmentation task.
  • Sliding window inference method.
  • Deterministic training for reproducibility.
  • The Spleen dataset can be downloaded from http://medicaldecathlon.com/.

Target: Spleen Modality: CT Size: 61 3D volumes (41 Training + 20 Testing) Source: Memorial Sloan Kettering Cancer Center Challenge: Large ranging foreground size

Start the tutorial spleen_segmentation_3d.ipynb with the mphy0043 conda env.

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