2 papers
math.OC2018
Basis Pursuit Denoise with Nonsmooth Constraints
Robert Baraldi, Rajiv Kumar, Aleksandr Aravkin
Level-set optimization formulations with data-driven constraints minimize a regularization functional subject to matching observations to a given error level. These formulations ar…
math.OC2018
Relaxation algorithms for matrix completion, with applications to seismic travel-time data interpolation
Robert Baraldi, Carl Ulberg, Rajiv Kumar +2
Travel time tomography is used to infer the underlying three-dimensional wavespeed structure of the Earth by fitting seismic travel time data collected at surface stations. Data in…