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. 2024 Jun 19;11(6):629. doi: 10.3390/bioengineering11060629
Algorithm 2: Prostate cancer detection and segmentation framework

Data: DW-MRI Images

Result: Segmented Prostate and Lesion Regions, IVIM Parameters, Normalized Dataset, Trained ML Model

  •   1 
    Stage 1: DW-MRI Acquisition
  •   2 
    Acquire DW-MRI images with varying b-values
  •   3 
    Stage 2: Preprocessing
  •   4 
    Motion correction, denoising, and image registration
  •   5 
    Stage 3: Prostate and Lesion Segmentation
  •   6 
    Utilize U-Net architecture with Attention U-Net and V-Net
  •   7 
    Stage 4: Extract IVIM Parameters
  •   8 
    Apply IVIM model fitting to obtain S(0), f, D, and D*
  •   9 
    Stage 5: Dataset Normalization
  • 10 
    Scale and center DW-MRI images and IVIM parameters
  • 11 
    Stage 6: ML Learning and Optimization
  • 12 
    Train ML algorithm on normalized data for prostate cancer detection
  • 13 
    Stage 7: Model Evaluation
  • 14 
    Evaluate the tuned model on a testing dataset
  • 15 
    Use metrics like balanced accuracy, specificity, sensitivity, and Dice coefficient