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October 25, 23
スライド概要
Score-Based Generative Model キーワード ● ● ● ● Langevin Monte Carlo Sampling Score Matching Denoising Score Matching Classifier Guidance
Score-Based Generative Model Generative Modeling by Estimating Gradients of the Data Distribution, Y. Song, S. Ermon [NeurIPS’19] Diffusion Models Beat GANs on Image Synthesis, P. Dhariwal, A. Nichol [NeurIPS’21]
Score-Based Generative Model NCSN, Y. Song, S. Ermon [NeurIPS’19] Classifier Guidance, P. Dhariwal, A. Nichol [NeurIPS’21]
Score-Based Generative Modelと連続時間 Diffusion Model Generative Modeling by Estimating Gradients of the Data Distribution, Y. Song, S. Ermon [NeurIPS’19] Score-Based Generative Modeling through Stochastic Differential Equations, Y. Song, J. Sohl-Dickstein, D. P. Kingma, A. Kumar, S. Ermon, B. Poole [ICLR’21 oral] Diffusion Models Beat GANs on Image Synthesis, P. Dhariwal, A. Nichol [NeurIPS’21] SDEdit: Guided Image Synthesis and Editing with Stochastic Differential Equations, C. Meng, Y. He, Y. Song, J. Song, J. Wu, J. Zhu, S. Ermon [ICLR’22]
Score-Based Generative Modelと連続時間 Diffusion Model NCSN, Y. Song, S. Ermon [NeurIPS’19] Score SDE, Y. Song, J. Sohl-Dickstein, D. P. Kingma, A. Kumar, S. Ermon, B. Poole [ICLR’21 oral] Classifier Guidance, P. Dhariwal, A. Nichol [NeurIPS’21] SDEdit, C. Meng, Y. He, Y. Song, J. Song, J. Wu, J. Zhu, S. Ermon [ICLR’22]
概要 Diffusion Model - エネルギーベース (スコアベース)の生成モデル - 元々はDPM,DDPMを指していた Score-Based generative Model (SBM) - スコアベースの生成モデル - DDPMと統一的な枠組みで扱えることが示され,DDPMとSBMを 合わせてDiffusion Modelと呼ぶようになった
Background (1/8) エネルギーベースモデル
Background (2/8) MCMCサンプリング
Background (3/8) スコア
Background (4/8) Langevin Monte Carlo サンプリング
Background (5/8) Score Matching
Background (6/8) Denoising Score Matching (1)
Background (7/8) Denoising Score Matching (2)
Background (8/8) Score Based Model (SBM)
Generative Modeling by Estimating Gradients of the Data Distribution, Y. Song, S. Ermon [NeurIPS’19]
Generative Modeling by Estimating Gradients of the Data Distribution, Y. Song, S. Ermon [NeurIPS’19]
Diffusion Models Beat GANs on Image Synthesis, (一部) P. Dhariwal, A. Nichol [NeurIPS’21]
Diffusion Models Beat GANs on Image Synthesis, (一部) P. Dhariwal, A. Nichol [NeurIPS’21] [J. Ho 2022]
Summary