Advanced Synthetic Data Generation: GANs and Diffusion Models
Chapter 1: Foundations of Generative Modeling Revisited
Probabilistic Modeling for Generation
Taxonomy of Generative Models
Challenges in High-Dimensional Data Synthesis
GAN Fundamentals
Introduction to Diffusion Model Concepts
Chapter 2: Advanced GAN Architectures and Techniques
Progressive Growing of GANs (ProGAN)
Style-Based Generators (StyleGAN variants)
Unpaired Image-to-Image Translation (CycleGAN)
Conditional GANs: Architectures and Control
Attention Mechanisms in GANs
Analyzing and Manipulating GAN Latent Spaces
Hands-on Practical: Implementing StyleGAN Components
Chapter 3: GAN Training Stability and Optimization
Diagnosing Training Instability: Oscillations and Divergence
Mode Collapse: Causes and Mitigation Strategies
Alternative Loss Functions (WGAN, WGAN-GP, LSGAN)
Regularization Techniques for GANs
Two Time-Scale Update Rule (TTUR)
Hyperparameter Tuning Strategies for GANs
Hands-on Practical: Implementing WGAN-GP
Chapter 4: Diffusion Models: Theory and Advanced Implementation
Mathematical Foundations: Stochastic Differential Equations
Denoising Diffusion Probabilistic Models (DDPM)
Score-Based Generative Modeling
Improved Techniques: DDIM and Variance Schedules
Classifier Guidance and Classifier-Free Guidance
Architectural Considerations for Diffusion Models (U-Net)
Hands-on Practical: Implementing a Basic DDPM
Chapter 5: Evaluating Synthetic Data Quality
Challenges in Generative Model Evaluation
Quantitative Metrics: IS, FID, Precision, Recall
Distributional Metrics: Kernel Inception Distance (KID)
Perceptual Path Length (PPL) for GANs
Qualitative Evaluation Methods
Evaluating Conditional Generation Models
Hands-on Practical: Calculating FID Scores
Chapter 6: Advanced Applications and Integration
High-Resolution Synthesis Strategies
Text-to-Image Synthesis Architectures
Synthetic Data for Augmentation and Privacy
Video Generation with Generative Models
Combining GANs and Diffusion Models
Computational Considerations and Scaling
Hands-on Practical: Conditional Image Generation
High-Resolution Synthesis Strategies
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- Progressive Growing of GANs for Improved Quality, Stability, and Variation, Tero Karras, Timo Aila, Samuli Laine, Jaakko Lehtinen, 2017 International Conference on Learning Representations (ICLR) DOI: 10.48550/arXiv.1710.10196 - Introduces progressive growing of GANs, a technique for training high-resolution generative models by adding layers incrementally during training.
- A Style-Based Generator Architecture for Generative Adversarial Networks, Tero Karras, Samuli Laine, Timo Aila, 2019 CVPR DOI: 10.48550/arXiv.1812.04948 - Presents StyleGAN, a generative adversarial network building on ProGAN, featuring a style-based generator that uses a mapping network and adaptive instance normalization (AdaIN) for improved control and high-resolution image synthesis.
- High-Resolution Image Synthesis with Latent Diffusion Models, Robin Rombach, Andreas Blattmann, Dominik Lorenz, Patrick Esser, Björn Ommer, 2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (IEEE) DOI: 10.1109/CVPR52688.2022.01049 - Introduces Latent Diffusion Models, which perform the diffusion process in a compressed latent space learned by an autoencoder, reducing computational cost for high-resolution image generation.
- Cascaded Diffusion Models for High Fidelity Image Generation, Jonathan Ho, Chitwan Saharia, William Chan, David J. Fleet, Mohammad Norouzi, Tim Salimans, 2021 International Conference on Learning Representations (ICLR) DOI: 10.48550/arXiv.2106.15282 - Details a cascaded approach for diffusion models, where multiple models are trained to progressively generate images at increasing resolutions, supporting high-fidelity synthesis.