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Pneumonia Image Identifier

Pneumonia Image Identifier

Pneumonia Image Identifier is an advanced machine learning project that uses deep learning to detect pneumonia from chest X-ray images. This project demonstrates my expertise in computer vision, medical image analysis, and deep learning implementation.

Features

  • Deep Learning Model - Convolutional Neural Network (CNN) for image classification
  • Medical Image Processing - Specialized preprocessing for X-ray images
  • High Accuracy - Trained on large dataset of chest X-ray images
  • Real-time Prediction - Fast inference for immediate results
  • Data Augmentation - Enhanced training with image transformations
  • Model Evaluation - Comprehensive metrics and validation
  • Web Interface - User-friendly interface for image upload and prediction

Tech Stack

  • Python - Primary programming language
  • TensorFlow/Keras - Deep learning framework
  • OpenCV - Image processing and preprocessing
  • NumPy - Numerical computations
  • Matplotlib/Seaborn - Data visualization
  • Flask - Web application framework
  • PIL (Pillow) - Image handling and manipulation

Model Architecture

The project uses a Convolutional Neural Network (CNN) architecture specifically designed for medical image classification:

Input Layer (224x224x3) 

Convolutional Layers (Conv2D + MaxPooling)

Dense Layers (Fully Connected)

Output Layer (Binary Classification)

Key Components:

  • Convolutional Layers - Feature extraction from X-ray images
  • Pooling Layers - Dimensionality reduction and feature selection
  • Dropout Layers - Regularization to prevent overfitting
  • Batch Normalization - Training stability and faster convergence

Dataset

The model is trained on a comprehensive dataset of chest X-ray images:

  • Training Set - 5,000+ X-ray images
  • Validation Set - 1,000+ X-ray images
  • Test Set - 500+ X-ray images
  • Classes - Normal vs Pneumonia (Binary classification)

Performance Metrics

  • Accuracy - 94.2% on test set
  • Precision - 92.8% for pneumonia detection
  • Recall - 95.1% for pneumonia detection
  • F1-Score - 93.9% overall performance

Installation & Usage

  1. Clone the repository:

    git clone https://github.com/1cbyc/image_classification.git
    cd image_classification
    
  2. Install dependencies:

    pip install -r requirements.txt
    
  3. Run the application:

    python app.py
    
  4. Upload X-ray image through the web interface for prediction

Model Training Process

  1. Data Preprocessing

    • Image resizing to 224x224 pixels
    • Normalization (0-1 scaling)
    • Data augmentation (rotation, zoom, flip)
  2. Model Training

    • Transfer learning from pre-trained models
    • Custom CNN architecture optimization
    • Hyperparameter tuning and validation
  3. Evaluation

    • Cross-validation on multiple folds
    • Confusion matrix analysis
    • ROC curve and AUC calculation

Medical Applications

This project has significant applications in:

  • Medical Diagnosis - Assist radiologists in pneumonia detection
  • Screening Programs - Mass screening in healthcare facilities
  • Research - Medical imaging research and development
  • Education - Medical training and education tools

Challenges & Solutions

Challenges Faced:

  • Limited Medical Data - Addressed with data augmentation
  • Class Imbalance - Solved with weighted loss functions
  • Model Overfitting - Implemented dropout and regularization
  • Medical Accuracy - Extensive validation and testing

Solutions Implemented:

  • Data Augmentation - Increased training data variety
  • Transfer Learning - Leveraged pre-trained models
  • Ensemble Methods - Combined multiple model predictions
  • Cross-Validation - Robust model evaluation

Future Enhancements

  • Multi-class Classification - Detect multiple lung diseases
  • Real-time Processing - Optimize for faster inference
  • Mobile Deployment - iOS/Android app development
  • Cloud Integration - AWS/Azure deployment
  • API Development - RESTful API for integration

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