Deep Fake Detection Using CNN

Personal Course, Remote, 2024

Week 1: Introduction to Deep Learning and Deepfakes

Topics:

  • Overview of deep learning, neural networks, and their applications
  • Introduction to deepfakes: history, types, and impact on society
  • How AI generates deepfakes using GANs (Generative Adversarial Networks)

Homework/Practice:

  • Watch introductory videos on deep learning
  • Read articles on GANs and deepfake ethics

Week 2: Convolutional Neural Networks (CNN) Basics

Topics:

  • Introduction to CNNs: architecture, convolution, pooling, and fully connected layers
  • Role of CNNs in image recognition and classification
  • Overview of how CNNs are applied for deepfake detection

Homework/Practice:

  • Implement a simple CNN on image classification (e.g., MNIST dataset)

Week 3: Introduction to the Deepfake Detection Project

Topics:

  • Overview of the project: detecting deepfakes using deep learning models
  • Introduction to datasets (Kaggle’s Deepfake Detection Challenge and StyleGAN-generated images)
  • Project objectives and comparison of two models (CNN from scratch vs. Xception)

Homework/Practice:

  • Explore Kaggle datasets and become familiar with data formats and classes

Week 4: Preprocessing the Deepfake Datasets

Topics:

  • Data preprocessing: resizing, normalization, noise removal, and augmentation
  • Importance of preparing data for deep learning models

Homework/Practice:

  • Preprocess the Kaggle datasets using Python (e.g., resizing images to 224x224, normalizing values)

Week 5: Building a CNN from Scratch

Topics:

  • CNN architecture from scratch: layer design, filter sizes, activations (ReLU), pooling
  • How to design and train a CNN for deepfake detection

Homework/Practice:

  • Implement a CNN from scratch using the Kaggle dataset for deepfake detection

Week 6: Transfer Learning and Xception Model

Topics:

  • Introduction to transfer learning: using pre-trained models for specific tasks
  • Xception model architecture and its role in deepfake detection

Homework/Practice:

  • Implement transfer learning using Xception for the same dataset

Week 7: Training the Models and Hyperparameter Tuning

Topics:

  • Training CNN and Xception models: learning rates, epochs, batch size
  • Hyperparameter tuning for optimizing performance

Homework/Practice:

  • Train both models on the deepfake dataset and compare their performance

Week 8: Evaluating the Models (Accuracy, Precision, Recall, F1-Score)

Topics:

  • Evaluation metrics for deepfake detection models: accuracy, precision, recall, F1-score
  • Understanding the confusion matrix and its significance in deepfake detection

Homework/Practice:

  • Evaluate the performance of both models and create confusion matrices

Week 9: Model Comparison and Insights

Topics:

  • Comparative analysis of CNN from scratch vs. Xception model
  • Discussion on performance trade-offs and model efficiency

Homework/Practice:

  • Analyze and report the model comparison

Week 10: Improving the Deepfake Detection Models

Topics:

  • Handling imbalanced datasets: oversampling, undersampling, class weights
  • Advanced techniques: ensemble learning, regularization (dropout, L2 regularization)

Homework/Practice:

  • Implement methods to handle imbalanced data and improve model performance

Week 11: Deployment of Deepfake Detection Models

Topics:

  • Exporting models for deployment
  • Introduction to deployment on cloud platforms (optional)

Homework/Practice:

  • Prepare the trained model for deployment

Week 12: Conclusion and Future Directions

Topics:

  • Summarizing the project: successes, challenges, and areas for improvement
  • Future directions for research in deepfake detection and combating misinformation

Homework/Practice:

  • Finalize the project report and reflect on possible improvements for deepfake detection models