Multi-Stage Deep Learning for Ovarian Cancer Detection

Algorithm Workflow

Our multi-stage deep learning pipeline for ovarian cancer detection

Multi-Stage Deep Learning for Ovarian Cancer Detection Workflow
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Methodology & Approach

Detailed breakdown of our multi-stage deep learning approach

1

Stage 1: Image Preprocessing

CLAHE (Contrast Limited Adaptive Histogram Equalization) for contrast enhancement

Bilateral filtering for noise reduction while preserving edges

Standardized resizing and normalization for consistent input

2

Stage 2: Feature Extraction

Pre-trained ResNet-50 backbone with attention mechanisms

Custom attention blocks for focusing on relevant image regions

Deep feature extraction capturing both low-level and high-level patterns

3

Stage 3: Feature Selection

SHAP (SHapley Additive exPlanations) values for interpretable feature selection

Selection of top 500 features based on importance ranking

Dimensionality reduction to enhance model performance

4

Stage 4: Classification

Attention-based CNN classifier for final prediction

Probabilistic output with confidence estimation

Robust performance across diverse imaging conditions

Key Innovations

Novel contributions and technological advances in our approach

Attention mechanisms for interpretable predictions

Multi-stage feature selection for optimal performance

Comprehensive preprocessing pipeline for robust results

Explainable AI techniques for clinical trust

Technical Architecture

Deep learning components and model architecture details

Feature Extraction

AttentionResNet50

Pre-trained ResNet-50 with custom attention mechanisms for enhanced feature learning

Attention Blocks

Focus on relevant image regions while suppressing noise and artifacts

Feature Selection

SHAP Analysis

Explainable AI for interpretable feature importance ranking

Select 500 Features

Dimensionality reduction while retaining critical information

Classification

AttCNN Classifier

Attention-based CNN for final cancer/non-cancer prediction

Confidence Estimation

Probabilistic output with uncertainty quantification

Model Performance Metrics

99.09%
Accuracy
Overall Correctness
99.21%
Sensitivity
True Positive Rate
98.18%
AUC Score
Area Under Curve
99.17%
Precision
Positive Predictive Value
98.96%
Specificity
True Negative Rate
99.06%
F1-Score
Harmonic Mean

Experience Our Algorithm in Action

Test our multi-stage deep learning approach with your own medical images or explore our sample dataset