Figure 1
From: Accelerating photoacoustic microscopy by reconstructing undersampled images using diffusion models
Forward \(q(x_{t}|x_{t-1})\) and backward \(p_{\theta }(x_{t-1}|x_{t})\) diffusion processes. \(X_{0}\) is the original image, where \(X_{T}\) is the Gaussian noise when \(T\rightarrow \infty\).
