Search Results for author: David Donoho

Found 5 papers, 2 papers with code

Is your data alignable? Principled and interpretable alignability testing and integration of single-cell data

1 code implementation3 Aug 2023 Rong Ma, Eric D. Sun, David Donoho, James Zou

To overcome these limitations, we present a spectral manifold alignment and inference (SMAI) framework, which enables principled and interpretable alignability testing and structure-preserving integration of single-cell data with the same type of features.

Data Integration Imputation

Convex Sparse Blind Deconvolution

no code implementations13 Jun 2021 Qingyun Sun, David Donoho

To bridge the gulf between reported successes and theory's limited understanding, we exhibit a convex optimization problem that -- assuming signal sparsity -- can convert a crude approximation to the true filter into a high-accuracy recovery of the true filter.

Degrees of Freedom Analysis of Unrolled Neural Networks

no code implementations10 Jun 2019 Morteza Mardani, Qingyun Sun, Vardan Papyan, Shreyas Vasanawala, John Pauly, David Donoho

Leveraging the Stein's Unbiased Risk Estimator (SURE), this paper analyzes the generalization risk with its bias and variance components for recurrent unrolled networks.

Image Restoration

Neural Proximal Gradient Descent for Compressive Imaging

1 code implementation NeurIPS 2018 Morteza Mardani, Qingyun Sun, Shreyas Vasawanala, Vardan Papyan, Hatef Monajemi, John Pauly, David Donoho

Recovering high-resolution images from limited sensory data typically leads to a serious ill-posed inverse problem, demanding inversion algorithms that effectively capture the prior information.

Recurrent Generative Adversarial Networks for Proximal Learning and Automated Compressive Image Recovery

no code implementations27 Nov 2017 Morteza Mardani, Hatef Monajemi, Vardan Papyan, Shreyas Vasanawala, David Donoho, John Pauly

Building effective priors is however challenged by the low train and test overhead dictated by real-time tasks; and the need for retrieving visually "plausible" and physically "feasible" images with minimal hallucination.

Denoising Hallucination +1

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