Statistical Learning
LinearandKernelClassificationintheStreaming Model: ImprovedBoundsforHeavyHitters
We consider logistic regression, and more generally, linear classification, in the streaming model. In our setting, we are given a dataset consisting ofT examples (xt,yt), where t [T], xt Rd, yt { 1,1}. The examples arrive one by one, and moreover, the nonzero coordinates of each examplext arrive one by one.
AnExpectation-MaximizationAlgorithmforTraining CleanDiffusionModelsfromCorruptedObservations
Diffusion models excel in solving imaging inverse problems due to their ability tomodel compleximage priors. However,their reliance onlarge,clean datasets for training limits their practical use where clean data is scarce. In this paper, we propose EMDiffusion, an expectation-maximization (EM) approach to train diffusion models from corrupted observations.