2.5k citations · 5.7k across the 45 of their papers we have counts for
Showing 2021Show all
3 papers · 1 filter
cs.IT2021★ 2 cited
Convex Sparse Blind Deconvolution
Qingyun Sun, David Donoho
In the blind deconvolution problem, we observe the convolution of an unknown filter and unknown signal and attempt to reconstruct the filter and signal. The problem seems impossibl…
cs.LG2021★ 19 cited
Neural Collapse Under MSE Loss: Proximity to and Dynamics on the Central Path
X. Y. Han, Vardan Papyan, David L. Donoho
The recently discovered Neural Collapse (NC) phenomenon occurs pervasively in today's deep net training paradigm of driving cross-entropy (CE) loss towards zero. During NC, last-la…
math.ST2021★ 3 cited
The Impossibility Region for Detecting Sparse Mixtures using the Higher Criticism
David L. Donoho, Alon Kipnis
Consider a multiple hypothesis testing setting involving rare/weak effects: relatively few tests, out of possibly many, deviate from their null hypothesis behavior. Summarizing the…