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
Computational Considerations and Scaling
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- ZeRO: Memory Optimizations Toward Training Trillion-Parameter Models, Samyam Rajbhandari, Cong Guo, Jeff Rasley, Shaden Smith, Yuxiong He, 2020 SC '20: Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis (IEEE) DOI: 10.1109/SC41405.2020.00078 - Describes the ZeRO memory optimization strategy, essential for training large models by sharding optimizer states, gradients, and parameters across devices.
- Megatron-LM: Training Multi-Billion Parameter Language Models Using Model Parallelism, Mohammad Shoeybi, Mostofa Patwary, Raul Puri, Patrick LeGresley, Jared Casper, Bryan Catanzaro, 2019 arXiv DOI: 10.48550/arXiv.1909.08053 - Introduces model parallelism techniques for training extremely large neural networks, addressing challenges of fitting models into single-device memory.
- Automatic Mixed Precision for Deep Learning, PyTorch Documentation, 2024 (PyTorch Foundation) - Provides guidelines and examples for using automatic mixed precision training in PyTorch, reducing memory footprint and speeding up computation.
- Training Deep Nets with Sublinear Memory Cost, Tianqi Chen, Bing Xu, Chiyuan Zhang, Carlos Guestrin, 2016 arXiv preprint arXiv:1604.06174 DOI: 10.48550/arXiv.1604.06174 - Describes how to reduce memory consumption during training by recomputing intermediate activations in the backward pass, a technique known as gradient checkpointing.
- Training Generative Adversarial Networks with Limited Data, Tero Karras, Miika Aittala, Janne Hellsten, Samuli Laine, Jaakko Lehtinen, Timo Aila, 2020 Advances in Neural Information Processing Systems (NeurIPS) 33 - Introduces an adaptive discriminator augmentation method, which significantly improves GAN training with limited data, and its training requires substantial computational resources.