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MOOSE (Multi-organ objective segmentation) a data-centric AI solution that generates multilabel organ segmentations to facilitate systemic TB whole-person research.The pipeline is based on nn-UNet and has the capability to segment 120 unique tissue classes from a whole-body 18F-FDG PET/CT image.
This is the regular nnUNet but with three new features: 1 - Training with cyclic learning rate, producing checkpoints from different convergent minima. 2 - an ensemble of the different checkpoints is used to determine uncertainty of each fold. 3 - On inference prediction is made using the lowest uncertainty prediction from 5 folds.
The segmentation in this project is conducted through the nnUNet framework, followed by the extraction of pituitary tumor features using the radiomics package. The final step involves designing the classifier using the scikit-learn package, resulting in an achieved classification accuracy of approximately 91%.