3 papers
cs.LG2025
Global Convergence of Adaptive Sensing for Principal Eigenvector Estimation
Alex Saad-Falcon, Brighton Ancelin, Justin Romberg
Principal component analysis classically requires full -dimensional samples, yet in various applications hardware limits acquisition to a few scalar measurements per sample. We…
math.NA2024
Rapid Grassmannian Averaging with Chebyshev Polynomials
Brighton Ancelin, Alex Saad-Falcon, Kason Ancelin +1
We propose new algorithms to efficiently average a collection of points on a Grassmannian manifold in both the centralized and decentralized settings. Grassmannian points are used…
eess.SP2024
Radon Implicit Field Transform (RIFT): Learning Scenes from Radar Signals
Daqian Bao, Alex Saad-Falcon, Justin Romberg
Data acquisition in array signal processing (ASP) is costly because achieving high angular and range resolutions necessitates large antenna apertures and wide frequency bandwidths,…