Paper Review: Denoising Diffusion Probabilistic Models (DDPM)

📄 Citation

Denoising Diffusion Probabilistic Models
Jonathan Ho, Ajay Jain, Pieter Abbeel (NeurIPS 2020).
Paper link

🧠 Core Idea

DDPM models data generation as a learned reversal of a noise diffusion process.

🧪 Key Insight

• Forward process: Adds Gaussian noise
• Reverse process: Trained denoiser neural net

🔍 Takeaways

• Foundation for modern diffusion models